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12475615255 = 517471428233
BaseRepresentation
bin10111001111001101…
…01100100000010111
31012012110001220211021
423213212230200113
5201022224142010
65421535422011
7621104660065
oct134746544027
935173056737
1012475615255
115322183434
122502084907
13123a85c77c
14864c67035
154d03bd8da
hex2e79ac817

12475615255 has 8 divisors (see below), whose sum is σ = 14979318192. Its totient is φ = 9974772288.

The previous prime is 12475615151. The next prime is 12475615277. The reversal of 12475615255 is 55251657421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12475615255 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 705382 + ... + 722851.

It is an arithmetic number, because the mean of its divisors is an integer number (1872414774).

Almost surely, 212475615255 is an apocalyptic number.

12475615255 is a deficient number, since it is larger than the sum of its proper divisors (2503702937).

12475615255 is a wasteful number, since it uses less digits than its factorization.

12475615255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429985.

The product of its digits is 420000, while the sum is 43.

The spelling of 12475615255 in words is "twelve billion, four hundred seventy-five million, six hundred fifteen thousand, two hundred fifty-five".

Divisors: 1 5 1747 8735 1428233 7141165 2495123051 12475615255