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157260831168 = 2637557210071
BaseRepresentation
bin1001001001110101111…
…0011101100111000000
3120000220202222221202110
42102131132131213000
510034032233044133
6200124501215320
714235033003150
oct2223536354700
9500822887673
10157260831168
116076a704071
122658a401540
1311aa291aa6c
14787bc06760
15415626bc63
hex249d79d9c0

157260831168 has 112 divisors (see below), whose sum is σ = 476382795264. Its totient is φ = 44850785280.

The previous prime is 157260831139. The next prime is 157260831187. The reversal of 157260831168 is 861138062751.

157260831168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643573 + ... + 853643.

Almost surely, 2157260831168 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 157260831168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238191397632).

157260831168 is an abundant number, since it is smaller than the sum of its proper divisors (319121964096).

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

157260831168 is a wasteful number, since it uses less digits than its factorization.

157260831168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210650 (or 210640 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 157260831168 in words is "one hundred fifty-seven billion, two hundred sixty million, eight hundred thirty-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 557 672 1114 1344 1671 2228 3342 3899 4456 6684 7798 8912 11697 13368 15596 17824 23394 26736 31192 35648 46788 53472 62384 93576 106944 124768 187152 210071 249536 374304 420142 630213 748608 840284 1260426 1470497 1680568 2520852 2940994 3361136 4411491 5041704 5881988 6722272 8822982 10083408 11763976 13444544 17645964 20166816 23527952 35291928 40333632 47055904 70583856 94111808 117009547 141167712 234019094 282335424 351028641 468038188 702057282 819066829 936076376 1404114564 1638133658 1872152752 2457200487 2808229128 3276267316 3744305504 4914400974 5616458256 6552534632 7488611008 9828801948 11232916512 13105069264 19657603896 22465833024 26210138528 39315207792 52420277056 78630415584 157260831168