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256713314955 = 35271208130347
BaseRepresentation
bin1110111100010101001…
…1100101001010001011
3220112121210101120221220
43233011103211022023
513201222102034310
6313533225133123
724355411113366
oct3570523451213
9815553346856
10256713314955
1199964a79129
124190492a1a3
131b291b796c6
14c5d42630dd
156a273a4670
hex3bc54e528b

256713314955 has 32 divisors (see below), whose sum is σ = 412468651008. Its totient is φ = 136338508800.

The previous prime is 256713314953. The next prime is 256713315077. The reversal of 256713314955 is 559413317652.

It is not a de Polignac number, because 256713314955 - 21 = 256713314953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256713314898 and 256713314907.

It is not an unprimeable number, because it can be changed into a prime (256713314953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8444092 + ... + 8474438.

It is an arithmetic number, because the mean of its divisors is an integer number (12889645344).

Almost surely, 2256713314955 is an apocalyptic number.

256713314955 is a deficient number, since it is larger than the sum of its proper divisors (155755336053).

256713314955 is a wasteful number, since it uses less digits than its factorization.

256713314955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32707.

The product of its digits is 3402000, while the sum is 51.

The spelling of 256713314955 in words is "two hundred fifty-six billion, seven hundred thirteen million, three hundred fourteen thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 271 813 1355 2081 4065 6243 10405 30347 31215 91041 151735 455205 563951 1691853 2819755 8224037 8459265 24672111 41120185 63152107 123360555 189456321 315760535 947281605 17114220997 51342662991 85571104985 256713314955