Base | Representation |
---|---|
bin | 1001000101001100101… |
… | …11100100000000000110 |
3 | 1002211101211022102001120 |
4 | 10202212113210000012 |
5 | 20103013340334232 |
6 | 355202152534410 |
7 | 31354236243501 |
oct | 4424627440006 |
9 | 1084354272046 |
10 | 312028839942 |
11 | 110370166836 |
12 | 505819b1406 |
13 | 23568c50391 |
14 | 1116090a138 |
15 | 81b372992c |
hex | 48a65e4006 |
312028839942 has 32 divisors (see below), whose sum is σ = 624582365184. Its totient is φ = 103922212800.
The previous prime is 312028839883. The next prime is 312028839961. The reversal of 312028839942 is 249938820213.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55155178 + ... + 55160834.
It is an arithmetic number, because the mean of its divisors is an integer number (19518198912).
Almost surely, 2312028839942 is an apocalyptic number.
312028839942 is an abundant number, since it is smaller than the sum of its proper divisors (312553525242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312028839942 is a wasteful number, since it uses less digits than its factorization.
312028839942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11764.
The product of its (nonzero) digits is 1492992, while the sum is 51.
The spelling of 312028839942 in words is "three hundred twelve billion, twenty-eight million, eight hundred thirty-nine thousand, nine hundred forty-two".
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