Search a number
-
+
51682227725 = 52101127161167
BaseRepresentation
bin110000001000100000…
…000011011000001101
311221101211020012020102
4300020200003120031
51321321122241400
635424213300445
73506506454522
oct601040033015
9157354205212
1051682227725
111aa112a76a7
12a024334725
134b48435b4b
142703d0b149
1515273d79d5
hexc0880360d

51682227725 has 24 divisors (see below), whose sum is σ = 65230491648. Its totient is φ = 40613832000.

The previous prime is 51682227719. The next prime is 51682227757. The reversal of 51682227725 is 52772228615.

It is not a de Polignac number, because 51682227725 - 26 = 51682227661 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 51682227725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240092 + ... + 401258.

It is an arithmetic number, because the mean of its divisors is an integer number (2717937152).

Almost surely, 251682227725 is an apocalyptic number.

It is an amenable number.

51682227725 is a deficient number, since it is larger than the sum of its proper divisors (13548263923).

51682227725 is a wasteful number, since it uses less digits than its factorization.

51682227725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161405 (or 161400 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The spelling of 51682227725 in words is "fifty-one billion, six hundred eighty-two million, two hundred twenty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 101 127 505 635 2525 3175 12827 64135 161167 320675 805835 4029175 16277867 20468209 81389335 102341045 406946675 511705225 2067289109 10336445545 51682227725