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2521042472 = 2313171425929
BaseRepresentation
bin1001011001000100…
…0000111000101000
320111200210020010102
42112101000320220
520130341324342
61054054404532
7116321336024
oct22621007050
96450706112
102521042472
111084076583
125a4360748
133123b9210
1419cb6b384
15eb4d5832
hex96440e28

2521042472 has 32 divisors (see below), whose sum is σ = 5390015400. Its totient is φ = 1095112704.

The previous prime is 2521042463. The next prime is 2521042507. The reversal of 2521042472 is 2742401252.

It can be written as a sum of positive squares in 4 ways, for example, as 1853646916 + 667395556 = 43054^2 + 25834^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711197 + ... + 714732.

Almost surely, 22521042472 is an apocalyptic number.

It is an amenable number.

2521042472 is an abundant number, since it is smaller than the sum of its proper divisors (2868972928).

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

2521042472 is a wasteful number, since it uses less digits than its factorization.

2521042472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425965 (or 1425961 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2521042472 is about 50209.9837880874. The cubic root of 2521042472 is about 1361.0060448218.

The spelling of 2521042472 in words is "two billion, five hundred twenty-one million, forty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 1425929 2851858 5703716 11407432 18537077 24240793 37074154 48481586 74148308 96963172 148296616 193926344 315130309 630260618 1260521236 2521042472