Base | Representation |
---|---|
bin | 1001010001000010011… |
… | …10100000001000110000 |
3 | 1010102210210121022012022 |
4 | 10220201032200020300 |
5 | 20204023031422210 |
6 | 402133012051012 |
7 | 32000610046064 |
oct | 4504116401060 |
9 | 1112723538168 |
10 | 318385029680 |
11 | 11303205a203 |
12 | 51856603a68 |
13 | 2403ca5b7b3 |
14 | 115a4b57aa4 |
15 | 8436770155 |
hex | 4a213a0230 |
318385029680 has 40 divisors (see below), whose sum is σ = 740279775312. Its totient is φ = 127348062464.
The previous prime is 318385029673. The next prime is 318385029691. The reversal of 318385029680 is 86920583813.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894022 + ... + 2055258.
Almost surely, 2318385029680 is an apocalyptic number.
It is an amenable number.
318385029680 is an abundant number, since it is smaller than the sum of its proper divisors (421894745632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318385029680 is a wasteful number, since it uses less digits than its factorization.
318385029680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185933 (or 185927 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 53.
The spelling of 318385029680 in words is "three hundred eighteen billion, three hundred eighty-five million, twenty-nine thousand, six hundred eighty".
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