Base | Representation |
---|---|
bin | 10111011110101010100111… |
… | …11111100000111010110111 |
3 | 20202210220011212111001012000 |
4 | 23233111103333200322313 |
5 | 23231411210010232210 |
6 | 301451014554430343 |
7 | 13606142353355325 |
oct | 1357252377407267 |
9 | 222726155431160 |
10 | 51631211024055 |
11 | 154a6745666933 |
12 | 595a5841323b3 |
13 | 22a6a57895290 |
14 | ca6d6d0dcd15 |
15 | 5e80a6334ac0 |
hex | 2ef553fe0eb7 |
51631211024055 has 128 divisors (see below), whose sum is σ = 101275840512000. Its totient is φ = 24794714096640.
The previous prime is 51631211024033. The next prime is 51631211024077. The reversal of 51631211024055 is 55042011213615.
51631211024055 is a `hidden beast` number, since 5 + 1 + 6 + 31 + 211 + 0 + 2 + 405 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (51631211024033) and next prime (51631211024077).
It is not a de Polignac number, because 51631211024055 - 216 = 51631210958519 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 506440276 + ... + 506542214.
It is an arithmetic number, because the mean of its divisors is an integer number (791217504000).
Almost surely, 251631211024055 is an apocalyptic number.
51631211024055 is a deficient number, since it is larger than the sum of its proper divisors (49644629487945).
51631211024055 is a wasteful number, since it uses less digits than its factorization.
51631211024055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109046 (or 109040 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 36.
The spelling of 51631211024055 in words is "fifty-one trillion, six hundred thirty-one billion, two hundred eleven million, twenty-four thousand, fifty-five".
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