Base | Representation |
---|---|
bin | 110000010100000001… |
… | …011011011001000101 |
3 | 11221220021221202220200 |
4 | 300110001123121011 |
5 | 1322220113314323 |
6 | 35455320321113 |
7 | 3514344461130 |
oct | 602401333105 |
9 | 157807852820 |
10 | 51875526213 |
11 | 20000422715 |
12 | a079013199 |
13 | 4b794b4a54 |
14 | 2721867217 |
15 | 153936b443 |
hex | c1405b645 |
51875526213 has 48 divisors (see below), whose sum is σ = 89441189760. Its totient is φ = 28353068928.
The previous prime is 51875526193. The next prime is 51875526233. The reversal of 51875526213 is 31262557815.
51875526213 is a `hidden beast` number, since 5 + 1 + 87 + 552 + 6 + 2 + 13 = 666.
It is an interprime number because it is at equal distance from previous prime (51875526193) and next prime (51875526233).
It is not a de Polignac number, because 51875526213 - 26 = 51875526149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51875526233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51070 + ... + 326127.
It is an arithmetic number, because the mean of its divisors is an integer number (1863358120).
Almost surely, 251875526213 is an apocalyptic number.
It is an amenable number.
51875526213 is a deficient number, since it is larger than the sum of its proper divisors (37565663547).
51875526213 is a wasteful number, since it uses less digits than its factorization.
51875526213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377306 (or 377303 counting only the distinct ones).
The product of its digits is 504000, while the sum is 45.
The spelling of 51875526213 in words is "fifty-one billion, eight hundred seventy-five million, five hundred twenty-six thousand, two hundred thirteen".
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