Base | Representation |
---|---|
bin | 110010001011011100… |
… | …111100111011010001 |
3 | 12011001221021111000000 |
4 | 302023130330323101 |
5 | 1340321040331121 |
6 | 40430214520213 |
7 | 3615114620451 |
oct | 621334747321 |
9 | 164057244000 |
10 | 53879230161 |
11 | 2093946a099 |
12 | a538066069 |
13 | 5108657ca3 |
14 | 2871a07d61 |
15 | 1605211526 |
hex | c8b73ced1 |
53879230161 has 21 divisors (see below), whose sum is σ = 80791288651. Its totient is φ = 35915308632.
The previous prime is 53879230127. The next prime is 53879230213. The reversal of 53879230161 is 16103297835.
The square root of 53879230161 is 232119.
It is a perfect power (a square), and thus also a powerful number.
53879230161 is a `hidden beast` number, since 538 + 79 + 2 + 30 + 16 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 38265228225 + 15614001936 = 195615^2 + 124956^2 .
It is not a de Polignac number, because 53879230161 - 211 = 53879228113 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (53879230121) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6262915 + ... + 6271511.
Almost surely, 253879230161 is an apocalyptic number.
53879230161 is the 232119-th square number.
53879230161 is the 116060-th centered octagonal number.
It is an amenable number.
53879230161 is a deficient number, since it is larger than the sum of its proper divisors (26912058490).
53879230161 is an frugal number, since it uses more digits than its factorization.
53879230161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17212 (or 8600 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 53879230161 in words is "fifty-three billion, eight hundred seventy-nine million, two hundred thirty thousand, one hundred sixty-one".
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