Base | Representation |
---|---|
bin | 10010100110100… |
… | …110110001000001 |
3 | 210202021211122000 |
4 | 102212212301001 |
5 | 1114400011040 |
6 | 50545334213 |
7 | 10506615054 |
oct | 2246466101 |
9 | 722254560 |
10 | 312110145 |
11 | 1501a5a76 |
12 | 88637369 |
13 | 4c87ac79 |
14 | 2d646a9b |
15 | 1c602130 |
hex | 129a6c41 |
312110145 has 32 divisors (see below), whose sum is σ = 557543040. Its totient is φ = 165654720.
The previous prime is 312110111. The next prime is 312110153. The reversal of 312110145 is 541011213.
It is not a de Polignac number, because 312110145 - 210 = 312109121 is a prime.
It is a super-2 number, since 2×3121101452 = 194825485223842050, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23007 + ... + 33963.
It is an arithmetic number, because the mean of its divisors is an integer number (17423220).
Almost surely, 2312110145 is an apocalyptic number.
It is an amenable number.
312110145 is a deficient number, since it is larger than the sum of its proper divisors (245432895).
312110145 is a wasteful number, since it uses less digits than its factorization.
312110145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11182 (or 11176 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 312110145 is about 17666.6393238782. The cubic root of 312110145 is about 678.3220922434.
Adding to 312110145 its reverse (541011213), we get a palindrome (853121358).
The spelling of 312110145 in words is "three hundred twelve million, one hundred ten thousand, one hundred forty-five".
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