Base | Representation |
---|---|
bin | 10111010111000001001010… |
… | …11011001110100101010000 |
3 | 20201212202220200100001221001 |
4 | 23223200211123032211100 |
5 | 23213110024302123033 |
6 | 301130200054111344 |
7 | 13551150515053060 |
oct | 1353404533164520 |
9 | 221782820301831 |
10 | 51368436754768 |
11 | 15405260415041 |
12 | 591766964b554 |
13 | 228803b12a683 |
14 | c98361d213a0 |
15 | 5e1326d06e7d |
hex | 2eb8256ce950 |
51368436754768 has 80 divisors (see below), whose sum is σ = 117796026793984. Its totient is φ = 21235484154240.
The previous prime is 51368436754757. The next prime is 51368436754769. The reversal of 51368436754768 is 86745763486315.
It is a self number, because there is not a number n which added to its sum of digits gives 51368436754768.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51368436754769) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23030280 + ... + 25162087.
Almost surely, 251368436754768 is an apocalyptic number.
It is an amenable number.
51368436754768 is an abundant number, since it is smaller than the sum of its proper divisors (66427590039216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51368436754768 is a wasteful number, since it uses less digits than its factorization.
51368436754768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48192720 (or 48192714 counting only the distinct ones).
The product of its digits is 2438553600, while the sum is 73.
The spelling of 51368436754768 in words is "fifty-one trillion, three hundred sixty-eight billion, four hundred thirty-six million, seven hundred fifty-four thousand, seven hundred sixty-eight".
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