Base | Representation |
---|---|
bin | 11000000000110101000101… |
… | …00011000001000110010101 |
3 | 20220222010002002001202112100 |
4 | 30000122202203001012111 |
5 | 23410124223041304212 |
6 | 304150150221312313 |
7 | 14060016326634102 |
oct | 1400324243010625 |
9 | 226863062052470 |
10 | 52805055025557 |
11 | 15909552a3413a |
12 | 5b09b82105699 |
13 | 23606592ba2a3 |
14 | d07ac7925aa9 |
15 | 6188a9b04bdc |
hex | 3006a28c1195 |
52805055025557 has 6 divisors (see below), whose sum is σ = 76273968370262. Its totient is φ = 35203370017032.
The previous prime is 52805055025529. The next prime is 52805055025561. The reversal of 52805055025557 is 75552055050825.
52805055025557 is a `hidden beast` number, since 5 + 2 + 80 + 5 + 0 + 5 + 5 + 0 + 2 + 5 + 557 = 666.
It can be written as a sum of positive squares in only one way, i.e., 31661620981956 + 21143434043601 = 5626866^2 + 4598199^2 .
It is not a de Polignac number, because 52805055025557 - 224 = 52805038248341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52805055025507) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2933614168078 + ... + 2933614168095.
Almost surely, 252805055025557 is an apocalyptic number.
It is an amenable number.
52805055025557 is a deficient number, since it is larger than the sum of its proper divisors (23468913344705).
52805055025557 is a wasteful number, since it uses less digits than its factorization.
52805055025557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5867228336179 (or 5867228336176 counting only the distinct ones).
The product of its (nonzero) digits is 17500000, while the sum is 54.
The spelling of 52805055025557 in words is "fifty-two trillion, eight hundred five billion, fifty-five million, twenty-five thousand, five hundred fifty-seven".
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