Base | Representation |
---|---|
bin | 110101111011010100… |
… | …111010100100100101 |
3 | 12112110101221110022102 |
4 | 311323110322210211 |
5 | 1422041313431310 |
6 | 42333420141445 |
7 | 4116622643204 |
oct | 657324724445 |
9 | 175411843272 |
10 | 57903655205 |
11 | 22614116200 |
12 | b27b997885 |
13 | 55ca34bc96 |
14 | 2b342b923b |
15 | 178d6ad8a5 |
hex | d7b53a925 |
57903655205 has 24 divisors (see below), whose sum is σ = 80868084696. Its totient is φ = 39634580480.
The previous prime is 57903655093. The next prime is 57903655213. The reversal of 57903655205 is 50255630975.
It can be written as a sum of positive squares in 4 ways, for example, as 957469249 + 56946185956 = 30943^2 + 238634^2 .
It is not a de Polignac number, because 57903655205 - 218 = 57903393061 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57903655205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2804672 + ... + 2825241.
It is an arithmetic number, because the mean of its divisors is an integer number (3369503529).
Almost surely, 257903655205 is an apocalyptic number.
57903655205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57903655205 is a deficient number, since it is larger than the sum of its proper divisors (22964429491).
57903655205 is a wasteful number, since it uses less digits than its factorization.
57903655205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5629957 (or 5629946 counting only the distinct ones).
The product of its (nonzero) digits is 1417500, while the sum is 47.
The spelling of 57903655205 in words is "fifty-seven billion, nine hundred three million, six hundred fifty-five thousand, two hundred five".
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