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12755387875 = 533112725919
BaseRepresentation
bin10111110000100011…
…11100010111100011
31012220221111211201011
423320101330113203
5202110334403000
65505412121351
7631043002516
oct137021742743
935827454634
1012755387875
1154560a177a
12257b906257
1312837c77b9
14890092d7d
154e9c342ba
hex2f847c5e3

12755387875 has 32 divisors (see below), whose sum is σ = 16562257920. Its totient is φ = 9797004000.

The previous prime is 12755387867. The next prime is 12755387891. The reversal of 12755387875 is 57878355721.

It is not a de Polignac number, because 12755387875 - 23 = 12755387867 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 479166 + ... + 505084.

It is an arithmetic number, because the mean of its divisors is an integer number (517570560).

Almost surely, 212755387875 is an apocalyptic number.

12755387875 is a deficient number, since it is larger than the sum of its proper divisors (3806870045).

12755387875 is a wasteful number, since it uses less digits than its factorization.

12755387875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26092 (or 26082 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 58.

The spelling of 12755387875 in words is "twelve billion, seven hundred fifty-five million, three hundred eighty-seven thousand, eight hundred seventy-five".

Divisors: 1 5 25 31 125 127 155 635 775 3175 3875 3937 15875 19685 25919 98425 129595 492125 647975 803489 3239875 3291713 4017445 16458565 20087225 82292825 100436125 102043103 411464125 510215515 2551077575 12755387875