Base | Representation |
---|---|
bin | 1001000111001100100… |
… | …10010101000110100100 |
3 | 1002221011120011110020212 |
4 | 10203212102111012210 |
5 | 20112212402210040 |
6 | 355500421314552 |
7 | 31422640242044 |
oct | 4434622250644 |
9 | 1087146143225 |
10 | 313101210020 |
11 | 11087051a2a5 |
12 | 50820b65a58 |
13 | 236aa178aa1 |
14 | 112230d5724 |
15 | 8227953d65 |
hex | 48e64951a4 |
313101210020 has 12 divisors (see below), whose sum is σ = 657512541084. Its totient is φ = 125240484000.
The previous prime is 313101210013. The next prime is 313101210061. The reversal of 313101210020 is 20012101313.
It can be written as a sum of positive squares in 2 ways, for example, as 158964879616 + 154136330404 = 398704^2 + 392602^2 .
It is a junction number, because it is equal to n+sod(n) for n = 313101209977 and 313101210004.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7827530231 + ... + 7827530270.
It is an arithmetic number, because the mean of its divisors is an integer number (54792711757).
Almost surely, 2313101210020 is an apocalyptic number.
It is an amenable number.
313101210020 is an abundant number, since it is smaller than the sum of its proper divisors (344411331064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313101210020 is a wasteful number, since it uses less digits than its factorization.
313101210020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15655060510 (or 15655060508 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 313101210020 its reverse (20012101313), we get a palindrome (333113311333).
The spelling of 313101210020 in words is "three hundred thirteen billion, one hundred one million, two hundred ten thousand, twenty".
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