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157155208564 = 22101388998041
BaseRepresentation
bin1001001001011100101…
…1100010110101110100
3120000122102020202210011
42102113023202311310
510033323213133224
6200110205310004
714232311142424
oct2222713426564
9500572222704
10157155208564
1160716022262
122655ab65304
1311a86a88c93
14786bb90484
15414bd56394
hex24972e2d74

157155208564 has 12 divisors (see below), whose sum is σ = 277744601988. Its totient is φ = 77799608000.

The previous prime is 157155208543. The next prime is 157155208709. The reversal of 157155208564 is 465802551751.

157155208564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149659112164 + 7496096400 = 386858^2 + 86580^2 .

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 3 ways as a sum of consecutive naturals, for example, 194498617 + ... + 194499424.

It is an arithmetic number, because the mean of its divisors is an integer number (23145383499).

Almost surely, 2157155208564 is an apocalyptic number.

It is an amenable number.

157155208564 is a deficient number, since it is larger than the sum of its proper divisors (120589393424).

157155208564 is a wasteful number, since it uses less digits than its factorization.

157155208564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388998146 (or 388998144 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 49.

The spelling of 157155208564 in words is "one hundred fifty-seven billion, one hundred fifty-five million, two hundred eight thousand, five hundred sixty-four".

Divisors: 1 2 4 101 202 404 388998041 777996082 1555992164 39288802141 78577604282 157155208564