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157380070926 = 231397193107777
BaseRepresentation
bin1001001010010010010…
…1010100111000001110
3120001020002100221221210
42102210211110320032
510034303244232201
6200144401035250
714241011350011
oct2224445247016
9501202327853
10157380070926
1160820a46721
1226602325b26
1311ac1539930
14788d9a5378
1541619721d6
hex24a4954e0e

157380070926 has 64 divisors (see below), whose sum is σ = 344244656448. Its totient is φ = 47676653568.

The previous prime is 157380070921. The next prime is 157380070937. The reversal of 157380070926 is 629070083751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157380070921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406350 + ... + 1514126.

It is an arithmetic number, because the mean of its divisors is an integer number (5378822757).

Almost surely, 2157380070926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157380070926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172122328224).

157380070926 is an abundant number, since it is smaller than the sum of its proper divisors (186864585522).

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

157380070926 is a wasteful number, since it uses less digits than its factorization.

157380070926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108085.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 157380070926 in words is "one hundred fifty-seven billion, three hundred eighty million, seventy thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 97 193 194 291 386 579 582 1158 1261 2509 2522 3783 5018 7527 7566 15054 18721 37442 56163 107777 112326 215554 243373 323331 486746 646662 730119 1401101 1460238 2802202 4203303 8406606 10454369 20800961 20908738 31363107 41601922 62402883 62726214 124805766 135906797 270412493 271813594 407720391 540824986 811237479 815440782 1622474958 2017693217 4035386434 6053079651 12106159302 26230011821 52460023642 78690035463 157380070926