Base | Representation |
---|---|
bin | 110001100100110100… |
… | …100010010100101001 |
3 | 12002101202201010020121 |
4 | 301210310202110221 |
5 | 1333004130214400 |
6 | 40242023123241 |
7 | 3563054615641 |
oct | 614464422451 |
9 | 162352633217 |
10 | 53231101225 |
11 | 20636629245 |
12 | a396ba3521 |
13 | 50342aa843 |
14 | 280d8d3521 |
15 | 15b838821a |
hex | c64d22529 |
53231101225 has 6 divisors (see below), whose sum is σ = 66006565550. Its totient is φ = 42584880960.
The previous prime is 53231101211. The next prime is 53231101249. The reversal of 53231101225 is 52210113235.
It can be written as a sum of positive squares in 3 ways, for example, as 18875737321 + 34355363904 = 137389^2 + 185352^2 .
It is not a de Polignac number, because 53231101225 - 229 = 52694230313 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2129244049 = 53231101225 / (5 + 3 + 2 + 3 + 1 + 1 + 0 + 1 + 2 + 2 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 53231101225.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064622000 + ... + 1064622049.
Almost surely, 253231101225 is an apocalyptic number.
It is an amenable number.
53231101225 is a deficient number, since it is larger than the sum of its proper divisors (12775464325).
53231101225 is a wasteful number, since it uses less digits than its factorization.
53231101225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2129244059 (or 2129244054 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
The spelling of 53231101225 in words is "fifty-three billion, two hundred thirty-one million, one hundred one thousand, two hundred twenty-five".
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