Base | Representation |
---|---|
bin | 1001000101101110010… |
… | …01010010110001001011 |
3 | 1002212010102221200011000 |
4 | 10202313021102301023 |
5 | 20104102414441021 |
6 | 355250125510043 |
7 | 31364224564665 |
oct | 4426711226113 |
9 | 1085112850130 |
10 | 312310312011 |
11 | 1104a5035985 |
12 | 50640112323 |
13 | 235b2361ab9 |
14 | 1118a059535 |
15 | 81cd2c8b26 |
hex | 48b7252c4b |
312310312011 has 16 divisors (see below), whose sum is σ = 463313189920. Its totient is φ = 207922813920.
The previous prime is 312310312009. The next prime is 312310312033. The reversal of 312310312011 is 110213013213.
312310312011 is a `hidden beast` number, since 31 + 2 + 310 + 312 + 0 + 11 = 666.
It is not a de Polignac number, because 312310312011 - 21 = 312310312009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312310312091) 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, 7870420 + ... + 7910001.
It is an arithmetic number, because the mean of its divisors is an integer number (28957074370).
Almost surely, 2312310312011 is an apocalyptic number.
312310312011 is a deficient number, since it is larger than the sum of its proper divisors (151002877909).
312310312011 is a wasteful number, since it uses less digits than its factorization.
312310312011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15781163 (or 15781157 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 312310312011 its reverse (110213013213), we get a palindrome (422523325224).
The spelling of 312310312011 in words is "three hundred twelve billion, three hundred ten million, three hundred twelve thousand, eleven".
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