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157244943537 = 32111793431339
BaseRepresentation
bin1001001001110010000…
…1110110110010110001
3120000212200002210000200
42102130201312302301
510034014201143122
6200123132505413
714234450652423
oct2223441666261
9500780083020
10157244943537
11607617424a0
122658501b269
1311a9c5473b6
147879a6c813
154154b7e5ac
hex249c876cb1

157244943537 has 24 divisors (see below), whose sum is σ = 262355202720. Its totient is φ = 89694084480.

The previous prime is 157244943451. The next prime is 157244943577. The reversal of 157244943537 is 735349442751.

157244943537 is a `hidden beast` number, since 1 + 5 + 7 + 24 + 49 + 43 + 537 = 666.

It is not a de Polignac number, because 157244943537 - 216 = 157244878001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157244943577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46713987 + ... + 46717352.

It is an arithmetic number, because the mean of its divisors is an integer number (10931466780).

Almost surely, 2157244943537 is an apocalyptic number.

157244943537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

157244943537 is a deficient number, since it is larger than the sum of its proper divisors (105110259183).

157244943537 is a wasteful number, since it uses less digits than its factorization.

157244943537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93431373 (or 93431370 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 157244943537 in words is "one hundred fifty-seven billion, two hundred forty-four million, nine hundred forty-three thousand, five hundred thirty-seven".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 93431339 280294017 840882051 1027744729 1588332763 3083234187 4764998289 9249702561 14294994867 17471660393 52414981179 157244943537