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157142888586 = 23253164720009
BaseRepresentation
bin1001001001011001110…
…0100011000010001010
3120000121120001211221200
42102112130203002022
510033312034413321
6200105045245030
714232101341215
oct2222634430212
9500546054850
10157142888586
116070a078062
1226556a03776
1311a84364458
14786a2a477c
15414ac20d26
hex249672308a

157142888586 has 24 divisors (see below), whose sum is σ = 346900341060. Its totient is φ = 51392642496.

The previous prime is 157142888561. The next prime is 157142888597. The reversal of 157142888586 is 685888241751.

157142888586 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 42 + 8 + 8 + 8 + 586 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 155098130625 + 2044757961 = 393825^2 + 45219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82359051 + ... + 82360958.

Almost surely, 2157142888586 is an apocalyptic number.

157142888586 is an abundant number, since it is smaller than the sum of its proper divisors (189757452474).

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

157142888586 is a wasteful number, since it uses less digits than its factorization.

157142888586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720070 (or 164720067 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 63.

The spelling of 157142888586 in words is "one hundred fifty-seven billion, one hundred forty-two million, eight hundred eighty-eight thousand, five hundred eighty-six".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 164720009 329440018 494160027 988320054 1482480081 2964960162 8730160477 17460320954 26190481431 52380962862 78571444293 157142888586