Base | Representation |
---|---|
bin | 110000001000100000… |
… | …000011011000001101 |
3 | 11221101211020012020102 |
4 | 300020200003120031 |
5 | 1321321122241400 |
6 | 35424213300445 |
7 | 3506506454522 |
oct | 601040033015 |
9 | 157354205212 |
10 | 51682227725 |
11 | 1aa112a76a7 |
12 | a024334725 |
13 | 4b48435b4b |
14 | 2703d0b149 |
15 | 15273d79d5 |
hex | c0880360d |
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".
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