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157389414483 = 37223371258139
BaseRepresentation
bin1001001010010100100…
…0111110000001010011
3120001020201221122220110
42102211020332001103
510034313142230413
6200145333212403
714241153643500
oct2224510760123
9501221848813
10157389414483
1160826248674
1226605491103
1311ac345b772
147890d184a7
1541626ba8c3
hex24a523e053

157389414483 has 48 divisors (see below), whose sum is σ = 261612599040. Its totient is φ = 83701404864.

The previous prime is 157389414439. The next prime is 157389414493. The reversal of 157389414483 is 384414983751.

It is not a de Polignac number, because 157389414483 - 221 = 157387317331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157389414493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 503973 + ... + 754166.

It is an arithmetic number, because the mean of its divisors is an integer number (5450262480).

Almost surely, 2157389414483 is an apocalyptic number.

157389414483 is a deficient number, since it is larger than the sum of its proper divisors (104223184557).

157389414483 is a wasteful number, since it uses less digits than its factorization.

157389414483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258216 (or 1258209 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 157389414483 in words is "one hundred fifty-seven billion, three hundred eighty-nine million, four hundred fourteen thousand, four hundred eighty-three".

Divisors: 1 3 7 21 23 37 49 69 111 147 161 259 483 777 851 1127 1813 2553 3381 5439 5957 17871 41699 125097 1258139 3774417 8806973 26420919 28937197 46551143 61648811 86811591 139653429 184946433 202560379 325858001 607681137 977574003 1070676289 1417922653 2281006007 3212028867 4253767959 6843018021 7494734023 22484202069 52463138161 157389414483