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45731102525 = 5218110106321
BaseRepresentation
bin101010100101110010…
…010011111100111101
311101001002010201011222
4222211302103330331
51222124130240100
633001504123125
73206154646343
oct524562237475
9141032121158
1045731102525
1118438019209
128a433064a5
13440a5202a4
1422db7c1993
1512c9c06485
hexaa5c93f3d

45731102525 has 12 divisors (see below), whose sum is σ = 57019868724. Its totient is φ = 36382752000.

The previous prime is 45731102519. The next prime is 45731102533. The reversal of 45731102525 is 52520113754.

It can be written as a sum of positive squares in 6 ways, for example, as 2495801764 + 43235300761 = 49958^2 + 207931^2 .

It is not a de Polignac number, because 45731102525 - 220 = 45730053949 is a prime.

It is a super-2 number, since 2×457311025252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 5048636 + ... + 5057685.

It is an arithmetic number, because the mean of its divisors is an integer number (4751655727).

Almost surely, 245731102525 is an apocalyptic number.

It is an amenable number.

45731102525 is a deficient number, since it is larger than the sum of its proper divisors (11288766199).

45731102525 is a wasteful number, since it uses less digits than its factorization.

45731102525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106512 (or 10106507 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 45731102525 in words is "forty-five billion, seven hundred thirty-one million, one hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 181 905 4525 10106321 50531605 252658025 1829244101 9146220505 45731102525