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10154531272 = 232532150129
BaseRepresentation
bin10010111010100000…
…11101100111001000
3222012200112122011211
421131100131213020
5131244030000042
64355342502504
7506432043304
oct113520354710
928180478154
1010154531272
114340a71706
121b74894a34
13c5aa149b2
146c48aad04
153e6735017
hex25d41d9c8

10154531272 has 16 divisors (see below), whose sum is σ = 19040877900. Its totient is φ = 5076963840.

The previous prime is 10154531269. The next prime is 10154531293. The reversal of 10154531272 is 27213545101.

It can be written as a sum of positive squares in 2 ways, for example, as 8090282916 + 2064248356 = 89946^2 + 45434^2 .

It is a super-2 number, since 2×101545312722 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177504 + ... + 227632.

Almost surely, 210154531272 is an apocalyptic number.

It is an amenable number.

10154531272 is a deficient number, since it is larger than the sum of its proper divisors (8886346628).

10154531272 is a wasteful number, since it uses less digits than its factorization.

10154531272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75456 (or 75452 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 10154531272 in words is "ten billion, one hundred fifty-four million, five hundred thirty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 25321 50129 50642 100258 101284 200516 202568 401032 1269316409 2538632818 5077265636 10154531272