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144122211040 = 25517148335729
BaseRepresentation
bin1000011000111001011…
…0100110101011100000
3111210000010100220020011
42012032112212223200
54330130241223130
6150113035054304
713261324403203
oct2061626465340
9453003326204
10144122211040
115613825a325
1223b222a1394
131078a902b22
146d92cb593a
153b37a8752a
hex218e5a6ae0

144122211040 has 96 divisors (see below), whose sum is σ = 360770669280. Its totient is φ = 54219669504.

The previous prime is 144122211019. The next prime is 144122211109. The reversal of 144122211040 is 40112221441.

It is a super-4 number, since 4×1441222110404 (a number of 46 digits) contains 4444 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015896 + ... + 4051624.

It is an arithmetic number, because the mean of its divisors is an integer number (3758027805).

Almost surely, 2144122211040 is an apocalyptic number.

144122211040 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 144122211040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180385334640).

144122211040 is an abundant number, since it is smaller than the sum of its proper divisors (216648458240).

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

144122211040 is a wasteful number, since it uses less digits than its factorization.

144122211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37244 (or 37236 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 144122211040 its reverse (40112221441), we get a palindrome (184234432481).

The spelling of 144122211040 in words is "one hundred forty-four billion, one hundred twenty-two million, two hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 1483 2720 2966 5932 7415 11864 14830 23728 25211 29660 35729 47456 50422 59320 71458 100844 118640 126055 142916 178645 201688 237280 252110 285832 357290 403376 504220 571664 607393 714580 806752 1008440 1143328 1214786 1429160 2016880 2429572 2858320 3036965 4033760 4859144 5716640 6073930 9718288 12147860 19436576 24295720 48591440 52986107 97182880 105972214 211944428 264930535 423888856 529861070 847777712 900763819 1059722140 1695555424 1801527638 2119444280 3603055276 4238888560 4503819095 7206110552 8477777120 9007638190 14412221104 18015276380 28824442208 36030552760 72061105520 144122211040