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130388660500 = 2253752797057
BaseRepresentation
bin111100101101111000…
…1010001000100010100
3110110120000021020121011
41321123301101010110
54114013444114000
6135522201302004
712264103220230
oct1713361210424
9413500236534
10130388660500
115032aaaa55a
122132aa94904
13c3ac575967
14644cd5b5c0
1535d20372ba
hex1e5bc51114

130388660500 has 96 divisors (see below), whose sum is σ = 325557872640. Its totient is φ = 44689881600.

The previous prime is 130388660483. The next prime is 130388660543. The reversal of 130388660500 is 5066883031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18472972 + ... + 18480028.

It is an arithmetic number, because the mean of its divisors is an integer number (3391227840).

Almost surely, 2130388660500 is an apocalyptic number.

130388660500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130388660500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162778936320).

130388660500 is an abundant number, since it is smaller than the sum of its proper divisors (195169212140).

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

130388660500 is a wasteful number, since it uses less digits than its factorization.

130388660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362 (or 12350 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 130388660500 in words is "one hundred thirty billion, three hundred eighty-eight million, six hundred sixty thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 700 875 1750 3500 5279 7057 10558 14114 21116 26395 28228 35285 36953 49399 52790 70570 73906 98798 105580 131975 141140 147812 176425 184765 197596 246995 263950 352850 369530 493990 527900 659875 705700 739060 882125 923825 987980 1234975 1319750 1764250 1847650 2469950 2639500 3528500 3695300 4619125 4939900 6174875 9238250 12349750 18476500 24699500 37253903 74507806 149015612 186269515 260777321 372539030 521554642 745078060 931347575 1043109284 1303886605 1862695150 2607773210 3725390300 4656737875 5215546420 6519433025 9313475750 13038866050 18626951500 26077732100 32597165125 65194330250 130388660500