Base | Representation |
---|---|
bin | 101111101111101001… |
… | …111000111110000011 |
3 | 11220022202211221100111 |
4 | 233233221320332003 |
5 | 1314442414014011 |
6 | 35315002532151 |
7 | 3463255335664 |
oct | 575751707603 |
9 | 156282757314 |
10 | 51265376131 |
11 | 1a817a71952 |
12 | 9b28807057 |
13 | 4aacc741b8 |
14 | 26a47db36b |
15 | 15009e6121 |
hex | befa78f83 |
51265376131 has 8 divisors (see below), whose sum is σ = 53633986560. Its totient is φ = 48908405832.
The previous prime is 51265376111. The next prime is 51265376147. The reversal of 51265376131 is 13167356215.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51265376131 - 213 = 51265367939 is a prime.
It is a super-2 number, since 2×512653761312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51265376111) by changing a digit.
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, 2901021 + ... + 2918638.
It is an arithmetic number, because the mean of its divisors is an integer number (6704248320).
Almost surely, 251265376131 is an apocalyptic number.
51265376131 is a deficient number, since it is larger than the sum of its proper divisors (2368610429).
51265376131 is a wasteful number, since it uses less digits than its factorization.
51265376131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5820065.
The product of its digits is 113400, while the sum is 40.
The spelling of 51265376131 in words is "fifty-one billion, two hundred sixty-five million, three hundred seventy-six thousand, one hundred thirty-one".
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