Base | Representation |
---|---|
bin | 1001000111011001110… |
… | …01010110110110111000 |
3 | 1002221110021211110100202 |
4 | 10203230321112312320 |
5 | 20112424244312440 |
6 | 355515422221332 |
7 | 31425454646336 |
oct | 4435471266670 |
9 | 1087407743322 |
10 | 313212104120 |
11 | 110918081713 |
12 | 50852124848 |
13 | 236c71350b6 |
14 | 11233b20b56 |
15 | 823255b615 |
hex | 48ece56db8 |
313212104120 has 16 divisors (see below), whose sum is σ = 704727234360. Its totient is φ = 125284841632.
The previous prime is 313212104119. The next prime is 313212104131. The reversal of 313212104120 is 21401212313.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 313212104092 and 313212104101.
It is a congruent number.
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, 3915151262 + ... + 3915151341.
Almost surely, 2313212104120 is an apocalyptic number.
It is an amenable number.
313212104120 is an abundant number, since it is smaller than the sum of its proper divisors (391515130240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313212104120 is a wasteful number, since it uses less digits than its factorization.
313212104120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7830302614 (or 7830302610 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 313212104120 its reverse (21401212313), we get a palindrome (334613316433).
The spelling of 313212104120 in words is "three hundred thirteen billion, two hundred twelve million, one hundred four thousand, one hundred twenty".
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