Base | Representation |
---|---|
bin | 101111110010100000… |
… | …011000101110011010 |
3 | 11220110002212110212200 |
4 | 233302200120232122 |
5 | 1320042140411120 |
6 | 35323432151030 |
7 | 3464406100011 |
oct | 576240305632 |
9 | 156402773780 |
10 | 51313216410 |
11 | 1a841a77a75 |
12 | 9b40838476 |
13 | 4ab9b54561 |
14 | 26aacd1a78 |
15 | 1504ce5e90 |
hex | bf2818b9a |
51313216410 has 48 divisors (see below), whose sum is σ = 133485805440. Its totient is φ = 13676196960.
The previous prime is 51313216393. The next prime is 51313216433. The reversal of 51313216410 is 1461231315.
It is a happy number.
51313216410 is a `hidden beast` number, since 5 + 1 + 3 + 13 + 2 + 1 + 641 + 0 = 666.
51313216410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×513132164103 (a number of 33 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17395 + ... + 320825.
It is an arithmetic number, because the mean of its divisors is an integer number (2780954280).
Almost surely, 251313216410 is an apocalyptic number.
51313216410 is an abundant number, since it is smaller than the sum of its proper divisors (82172589030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51313216410 is a wasteful number, since it uses less digits than its factorization.
51313216410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305323 (or 305320 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
Adding to 51313216410 its reverse (1461231315), we get a palindrome (52774447725).
The spelling of 51313216410 in words is "fifty-one billion, three hundred thirteen million, two hundred sixteen thousand, four hundred ten".
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