Base | Representation |
---|---|
bin | 1001000101010110100… |
… | …10100111100111110010 |
3 | 1002211121120201102111102 |
4 | 10202223102213213302 |
5 | 20103201011231010 |
6 | 355214303044402 |
7 | 31356261245303 |
oct | 4425322474762 |
9 | 1084546642442 |
10 | 312111430130 |
11 | 110402846a95 |
12 | 505a55a0702 |
13 | 235800a9706 |
14 | 1116b8887aa |
15 | 81baae0ba5 |
hex | 48ab4a79f2 |
312111430130 has 32 divisors (see below), whose sum is σ = 595261509120. Its totient is φ = 117419027200.
The previous prime is 312111430129. The next prime is 312111430133. The reversal of 312111430130 is 31034111213.
It is not an unprimeable number, because it can be changed into a prime (312111430133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393296 + ... + 882555.
It is an arithmetic number, because the mean of its divisors is an integer number (18601922160).
Almost surely, 2312111430130 is an apocalyptic number.
312111430130 is a deficient number, since it is larger than the sum of its proper divisors (283150078990).
312111430130 is a wasteful number, since it uses less digits than its factorization.
312111430130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1277314.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 312111430130 its reverse (31034111213), we get a palindrome (343145541343).
The spelling of 312111430130 in words is "three hundred twelve billion, one hundred eleven million, four hundred thirty thousand, one hundred thirty".
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