Base | Representation |
---|---|
bin | 110000010101100001… |
… | …101011010011110100 |
3 | 11221222001102122101000 |
4 | 300111201223103310 |
5 | 1322243043212421 |
6 | 35502021203300 |
7 | 3515102105016 |
oct | 602541532364 |
9 | 157861378330 |
10 | 51900757236 |
11 | 200136960a9 |
12 | a085560530 |
13 | 4b817aa153 |
14 | 2724d541b6 |
15 | 153b6a2226 |
hex | c1586b4f4 |
51900757236 has 48 divisors (see below), whose sum is σ = 139197441600. Its totient is φ = 16703690976.
The previous prime is 51900757229. The next prime is 51900757247. The reversal of 51900757236 is 63275700915.
It is a junction number, because it is equal to n+sod(n) for n = 51900757191 and 51900757200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8282430 + ... + 8288693.
It is an arithmetic number, because the mean of its divisors is an integer number (2899946700).
Almost surely, 251900757236 is an apocalyptic number.
It is an amenable number.
51900757236 is an abundant number, since it is smaller than the sum of its proper divisors (87296684364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51900757236 is a wasteful number, since it uses less digits than its factorization.
51900757236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16571165 (or 16571157 counting only the distinct ones).
The product of its (nonzero) digits is 396900, while the sum is 45.
The spelling of 51900757236 in words is "fifty-one billion, nine hundred million, seven hundred fifty-seven thousand, two hundred thirty-six".
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