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131077158403408 = 24731791792669729
BaseRepresentation
bin11101110011011011000111…
…011101101111110101010000
3122012002212001112120201112121
4131303123013131233311100
5114140032010022402113
61142440003144504024
736416004115106110
oct3563330735576520
9565085045521477
10131077158403408
1138846568820668
121284b76b17b014
13581a6a5053119
14245224dc0d040
15102493eac8e8d
hex7736c776fd50

131077158403408 has 160 divisors (see below), whose sum is σ = 305092472832000. Its totient is φ = 53375765114880.

The previous prime is 131077158403363. The next prime is 131077158403423. The reversal of 131077158403408 is 804304851770131.

It is a super-2 number, since 2×1310771584034082 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47762688 + ... + 50432416.

It is an arithmetic number, because the mean of its divisors is an integer number (1906827955200).

Almost surely, 2131077158403408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131077158403408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152546236416000).

131077158403408 is an abundant number, since it is smaller than the sum of its proper divisors (174015314428592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131077158403408 is a wasteful number, since it uses less digits than its factorization.

131077158403408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670033 (or 2670027 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 131077158403408 in words is "one hundred thirty-one trillion, seventy-seven billion, one hundred fifty-eight million, four hundred three thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 79 112 124 158 179 217 248 316 358 434 496 553 632 716 868 1106 1253 1264 1432 1736 2212 2449 2506 2864 3472 4424 4898 5012 5549 8848 9796 10024 11098 14141 17143 19592 20048 22196 28282 34286 38843 39184 44392 56564 68572 77686 88784 98987 113128 137144 155372 197974 226256 274288 310744 395948 438371 621488 791896 876742 1583792 1753484 2669729 3068597 3506968 5339458 6137194 7013936 10678916 12274388 18688103 21357832 24548776 37376206 42715664 49097552 74752412 82761599 149504824 165523198 210908591 299009648 331046396 421817182 477881491 579331193 662092792 843634364 955762982 1158662386 1324185584 1476360137 1687268728 1911525964 2317324772 2952720274 3345170437 3374537456 3823051928 4634649544 5905440548 6538166321 6690340874 7646103856 9269299088 11810881096 13076332642 13380681748 14814326221 23621762192 26152665284 26761363496 29628652442 37752637789 45767164247 52305330568 53522726992 59257304884 75505275578 91534328494 103700283547 104610661136 118514609768 151010551156 183068656988 207400567094 237029219536 264268464523 302021102312 366137313976 414801134188 528536929046 604042204624 732274627952 829602268376 1057073858092 1170331771459 1659204536752 2114147716184 2340663542918 4228295432368 4681327085836 8192322400213 9362654171672 16384644800426 18725308343344 32769289600852 65538579201704 131077158403408