Base | Representation |
---|---|
bin | 1001000110111111100… |
… | …01111010011011001000 |
3 | 1002220212221202111021012 |
4 | 10203133301322123020 |
5 | 20112001431030330 |
6 | 355441521503052 |
7 | 31420143342632 |
oct | 4433761723310 |
9 | 1086787674235 |
10 | 312992048840 |
11 | 110814940949 |
12 | 507b04a1a88 |
13 | 23690678483 |
14 | 112127dba52 |
15 | 821d08ec95 |
hex | 48dfc7a6c8 |
312992048840 has 32 divisors (see below), whose sum is σ = 705740143680. Its totient is φ = 124928724672.
The previous prime is 312992048833. The next prime is 312992048843. The reversal of 312992048840 is 48840299213.
It is not an unprimeable number, because it can be changed into a prime (312992048843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8359052 + ... + 8396411.
It is an arithmetic number, because the mean of its divisors is an integer number (22054379490).
Almost surely, 2312992048840 is an apocalyptic number.
It is an amenable number.
312992048840 is an abundant number, since it is smaller than the sum of its proper divisors (392748094840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312992048840 is a wasteful number, since it uses less digits than its factorization.
312992048840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16755941 (or 16755937 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 50.
The spelling of 312992048840 in words is "three hundred twelve billion, nine hundred ninety-two million, forty-eight thousand, eight hundred forty".
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