Base | Representation |
---|---|
bin | 10111001111010010100010… |
… | …11101111001100100011111 |
3 | 20200221101111002220101112100 |
4 | 23213221101131321210133 |
5 | 23144232203221232122 |
6 | 300404201551540143 |
7 | 13523030124135462 |
oct | 1347512135714437 |
9 | 220841432811470 |
10 | 51102887680287 |
11 | 15312681934013 |
12 | 58940b982a653 |
13 | 2268c9b8475c1 |
14 | c895703db2d9 |
15 | 5d9483db9aac |
hex | 2e7a5177991f |
51102887680287 has 24 divisors (see below), whose sum is σ = 75244683837440. Its totient is φ = 33414579853200.
The previous prime is 51102887680283. The next prime is 51102887680307. The reversal of 51102887680287 is 78208678820115.
51102887680287 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 288 + 76 + 8 + 0 + 287 = 666.
It is not a de Polignac number, because 51102887680287 - 22 = 51102887680283 is a prime.
It is a super-2 number, since 2×511028876802872 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51102887680283) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237888223 + ... + 238102944.
Almost surely, 251102887680287 is an apocalyptic number.
51102887680287 is a deficient number, since it is larger than the sum of its proper divisors (24141796157153).
51102887680287 is a wasteful number, since it uses less digits than its factorization.
51102887680287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475991403 (or 475991400 counting only the distinct ones).
The product of its (nonzero) digits is 24084480, while the sum is 63.
The spelling of 51102887680287 in words is "fifty-one trillion, one hundred two billion, eight hundred eighty-seven million, six hundred eighty thousand, two hundred eighty-seven".
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