Base | Representation |
---|---|
bin | 101111110101111110… |
… | …110001100010111010 |
3 | 11220121011120022012020 |
4 | 233311332301202322 |
5 | 1320202101422132 |
6 | 35333313455310 |
7 | 3466014443652 |
oct | 576576614272 |
9 | 156534508166 |
10 | 51371514042 |
11 | 1a871975932 |
12 | 9b58271536 |
13 | 4ac8c566b4 |
14 | 26b4949362 |
15 | 1509eae52c |
hex | bf5fb18ba |
51371514042 has 16 divisors (see below), whose sum is σ = 102746085120. Its totient is φ = 17123328512.
The previous prime is 51371514031. The next prime is 51371514071. The reversal of 51371514042 is 24041517315.
It is a junction number, because it is equal to n+sod(n) for n = 51371513994 and 51371514012.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131578 + ... + 346490.
It is an arithmetic number, because the mean of its divisors is an integer number (6421630320).
Almost surely, 251371514042 is an apocalyptic number.
51371514042 is an abundant number, since it is smaller than the sum of its proper divisors (51374571078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51371514042 is a wasteful number, since it uses less digits than its factorization.
51371514042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254757.
The product of its (nonzero) digits is 16800, while the sum is 33.
The spelling of 51371514042 in words is "fifty-one billion, three hundred seventy-one million, five hundred fourteen thousand, forty-two".
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