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12527775425 = 5211371231231
BaseRepresentation
bin10111010101011011…
…01010111011000001
31012100002012221010102
423222231222323001
5201124102303200
65431041412145
7622310222414
oct135255527301
935302187112
1012527775425
11534966a110
12251763a055
1312485c3189
1486bb63b7b
154d4c736d5
hex2eab6aec1

12527775425 has 24 divisors (see below), whose sum is σ = 17404695552. Its totient is φ = 8864856000.

The previous prime is 12527775409. The next prime is 12527775431. The reversal of 12527775425 is 52457772521.

It is not a de Polignac number, because 12527775425 - 24 = 12527775409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12527775425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605441 + ... + 625790.

It is an arithmetic number, because the mean of its divisors is an integer number (725195648).

Almost surely, 212527775425 is an apocalyptic number.

It is an amenable number.

12527775425 is a deficient number, since it is larger than the sum of its proper divisors (4876920127).

12527775425 is a wasteful number, since it uses less digits than its factorization.

12527775425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231289 (or 1231284 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 47.

The spelling of 12527775425 in words is "twelve billion, five hundred twenty-seven million, seven hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 11 25 37 55 185 275 407 925 2035 10175 1231231 6156155 13543541 30780775 45555547 67717705 227777735 338588525 501111017 1138888675 2505555085 12527775425