Base | Representation |
---|---|
bin | 101111111001110101… |
… | …010001101100001010 |
3 | 11220202200011021220210 |
4 | 233321311101230022 |
5 | 1320320122230010 |
6 | 35343542501550 |
7 | 3500430626544 |
oct | 577165215412 |
9 | 156680137823 |
10 | 51436133130 |
11 | 1a8a53a1138 |
12 | 9b75a348b6 |
13 | 4b0945cc45 |
14 | 26bd36a694 |
15 | 15109c5b20 |
hex | bf9d51b0a |
51436133130 has 64 divisors (see below), whose sum is σ = 130745415168. Its totient is φ = 12905794560.
The previous prime is 51436133123. The next prime is 51436133141. The reversal of 51436133130 is 3133163415.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084344 + ... + 2108876.
It is an arithmetic number, because the mean of its divisors is an integer number (2042897112).
Almost surely, 251436133130 is an apocalyptic number.
51436133130 is an abundant number, since it is smaller than the sum of its proper divisors (79309282038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51436133130 is a wasteful number, since it uses less digits than its factorization.
51436133130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28671.
The product of its (nonzero) digits is 9720, while the sum is 30.
Adding to 51436133130 its reverse (3133163415), we get a palindrome (54569296545).
The spelling of 51436133130 in words is "fifty-one billion, four hundred thirty-six million, one hundred thirty-three thousand, one hundred thirty".
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