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157301971428 = 22371872642517
BaseRepresentation
bin1001001001111111101…
…1011001100111100100
3120001000122102002120210
42102133323121213210
510034123301041203
6200132531055420
714236042460460
oct2223773314744
9501018362523
10157301971428
1160790953388
12265a0141570
1311aab2c3604
1478834754a0
154159b96803
hex249fed99e4

157301971428 has 24 divisors (see below), whose sum is σ = 419471924032. Its totient is φ = 44943420384.

The previous prime is 157301971367. The next prime is 157301971429. The reversal of 157301971428 is 824179103751.

It is not an unprimeable number, because it can be changed into a prime (157301971429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936321175 + ... + 936321342.

Almost surely, 2157301971428 is an apocalyptic number.

It is an amenable number.

157301971428 is an abundant number, since it is smaller than the sum of its proper divisors (262169952604).

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

157301971428 is a wasteful number, since it uses less digits than its factorization.

157301971428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872642531 (or 1872642529 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 157301971428 in words is "one hundred fifty-seven billion, three hundred one million, nine hundred seventy-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1872642517 3745285034 5617927551 7490570068 11235855102 13108497619 22471710204 26216995238 39325492857 52433990476 78650985714 157301971428