Base | Representation |
---|---|
bin | 101111100111100101… |
… | …101011100101100111 |
3 | 11212222100012220200022 |
4 | 233213211223211213 |
5 | 1314203243230030 |
6 | 35253330305355 |
7 | 3460023203534 |
oct | 574745534547 |
9 | 155870186608 |
10 | 51130055015 |
11 | 1a758646116 |
12 | 9aab42825b |
13 | 4a8ac14730 |
14 | 2690853d8b |
15 | 14e3bb5de5 |
hex | be796b967 |
51130055015 has 16 divisors (see below), whose sum is σ = 69962574528. Its totient is φ = 35536544256.
The previous prime is 51130054979. The next prime is 51130055047. The reversal of 51130055015 is 51055003115.
It is a cyclic number.
It is not a de Polignac number, because 51130055015 - 210 = 51130053991 is a prime.
It is a super-2 number, since 2×511300550152 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 23134667 + ... + 23136876.
It is an arithmetic number, because the mean of its divisors is an integer number (4372660908).
Almost surely, 251130055015 is an apocalyptic number.
51130055015 is a deficient number, since it is larger than the sum of its proper divisors (18832519513).
51130055015 is a wasteful number, since it uses less digits than its factorization.
51130055015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46271578.
The product of its (nonzero) digits is 1875, while the sum is 26.
The spelling of 51130055015 in words is "fifty-one billion, one hundred thirty million, fifty-five thousand, fifteen".
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