Base | Representation |
---|---|
bin | 100111000101011… |
… | …0101110100001000 |
3 | 10101101202022101010 |
4 | 1032022311310020 |
5 | 10141213332322 |
6 | 334045123520 |
7 | 44333160165 |
oct | 11612656410 |
9 | 3341668333 |
10 | 1311464712 |
11 | 613318938 |
12 | 3072595a0 |
13 | 17b92042c |
14 | c626706c |
15 | 7a20720c |
hex | 4e2b5d08 |
1311464712 has 32 divisors (see below), whose sum is σ = 3281248800. Its totient is φ = 436809984.
The previous prime is 1311464689. The next prime is 1311464717. The reversal of 1311464712 is 2174641131.
It is a self number, because there is not a number n which added to its sum of digits gives 1311464712.
It is not an unprimeable number, because it can be changed into a prime (1311464717) 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, 10464 + ... + 52272.
It is an arithmetic number, because the mean of its divisors is an integer number (102539025).
Almost surely, 21311464712 is an apocalyptic number.
1311464712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1311464712 is an abundant number, since it is smaller than the sum of its proper divisors (1969784088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311464712 is a wasteful number, since it uses less digits than its factorization.
1311464712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43125 (or 43121 counting only the distinct ones).
The product of its digits is 4032, while the sum is 30.
The square root of 1311464712 is about 36214.1507148794. The cubic root of 1311464712 is about 1094.5918321925.
The spelling of 1311464712 in words is "one billion, three hundred eleven million, four hundred sixty-four thousand, seven hundred twelve".
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