Base | Representation |
---|---|
bin | 10111011000101000110110… |
… | …11101101111000111110001 |
3 | 20202002002121020111001110100 |
4 | 23230110123131233013301 |
5 | 23220013031134340100 |
6 | 301211523553023013 |
7 | 13555161145500423 |
oct | 1354243335570761 |
9 | 222062536431410 |
10 | 51424104215025 |
11 | 15426927229943 |
12 | 5926404554a69 |
13 | 22903700b4379 |
14 | c9ad2321a813 |
15 | 5e29d3ee9400 |
hex | 2ec51b76f1f1 |
51424104215025 has 18 divisors (see below), whose sum is σ = 92106284438870. Its totient is φ = 27426188914560.
The previous prime is 51424104215021. The next prime is 51424104215047. The reversal of 51424104215025 is 52051240142415.
51424104215025 is a `hidden beast` number, since 5 + 1 + 4 + 2 + 410 + 4 + 215 + 0 + 25 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 303420298896 + 51120683916129 = 550836^2 + 7149873^2 .
It is not a de Polignac number, because 51424104215025 - 22 = 51424104215021 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51424104215021) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114275786920 + ... + 114275787369.
Almost surely, 251424104215025 is an apocalyptic number.
It is an amenable number.
51424104215025 is a deficient number, since it is larger than the sum of its proper divisors (40682180223845).
51424104215025 is a wasteful number, since it uses less digits than its factorization.
51424104215025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228551574305 (or 228551574297 counting only the distinct ones).
The product of its (nonzero) digits is 64000, while the sum is 36.
The spelling of 51424104215025 in words is "fifty-one trillion, four hundred twenty-four billion, one hundred four million, two hundred fifteen thousand, twenty-five".
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