Base | Representation |
---|---|
bin | 10010100111100… |
… | …010010011011101 |
3 | 210202202020011011 |
4 | 102213202103131 |
5 | 1114430312023 |
6 | 50554455221 |
7 | 10511652046 |
oct | 2247422335 |
9 | 722666134 |
10 | 312354013 |
11 | 150352214 |
12 | 88734511 |
13 | 4c934c7a |
14 | 2d6ab8cd |
15 | 1c64e50d |
hex | 129e24dd |
312354013 has 4 divisors (see below), whose sum is σ = 312734368. Its totient is φ = 311973660.
The previous prime is 312354011. The next prime is 312354017. The reversal of 312354013 is 310453213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 312354013 - 21 = 312354011 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312354011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188943 + ... + 190588.
It is an arithmetic number, because the mean of its divisors is an integer number (78183592).
Almost surely, 2312354013 is an apocalyptic number.
It is an amenable number.
312354013 is a deficient number, since it is larger than the sum of its proper divisors (380355).
312354013 is an equidigital number, since it uses as much as digits as its factorization.
312354013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 380354.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 312354013 is about 17673.5399114043. The cubic root of 312354013 is about 678.4987157734.
The spelling of 312354013 in words is "three hundred twelve million, three hundred fifty-four thousand, thirteen".
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