Base | Representation |
---|---|
bin | 1001000111000100001… |
… | …01001000110001100111 |
3 | 1002220222122101021012210 |
4 | 10203202011020301213 |
5 | 20112041321032131 |
6 | 355445421014503 |
7 | 31421122363506 |
oct | 4434205106147 |
9 | 1086878337183 |
10 | 313030642791 |
11 | 110834701079 |
12 | 508013b4433 |
13 | 2369866c029 |
14 | 112179a683d |
15 | 8221665146 |
hex | 48e2148c67 |
313030642791 has 32 divisors (see below), whose sum is σ = 477757474560. Its totient is φ = 181044896256.
The previous prime is 313030642751. The next prime is 313030642817. The reversal of 313030642791 is 197246030313.
It is not a de Polignac number, because 313030642791 - 210 = 313030641767 is a prime.
It is a super-2 number, since 2×3130306427912 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313030642751) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4329621 + ... + 4401326.
It is an arithmetic number, because the mean of its divisors is an integer number (14929921080).
Almost surely, 2313030642791 is an apocalyptic number.
313030642791 is a deficient number, since it is larger than the sum of its proper divisors (164726831769).
313030642791 is a wasteful number, since it uses less digits than its factorization.
313030642791 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8731023.
The product of its (nonzero) digits is 81648, while the sum is 39.
The spelling of 313030642791 in words is "three hundred thirteen billion, thirty million, six hundred forty-two thousand, seven hundred ninety-one".
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