Base | Representation |
---|---|
bin | 100011011110111111101010… |
… | …0111101101111000111111101 |
3 | 1111221010200101101010221202010 |
4 | 1012331333110331233013331 |
5 | 311402311143134234323 |
6 | 3023455220332121433 |
7 | 122513103260452635 |
oct | 10675772475570775 |
9 | 1457120341127663 |
10 | 312123141321213 |
11 | 904a7754273582 |
12 | 2b00b680606279 |
13 | 10521116a43ac1 |
14 | 5710baaa2d6c5 |
15 | 261408c3e1c93 |
hex | 11bdfd4f6f1fd |
312123141321213 has 8 divisors (see below), whose sum is σ = 427411869196768. Its totient is φ = 202458253829904.
The previous prime is 312123141321203. The next prime is 312123141321241.
312123141321213 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312123141321213 - 216 = 312123141255677 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 (312123141321203) 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, 1405960095931 + ... + 1405960096152.
It is an arithmetic number, because the mean of its divisors is an integer number (53426483649596).
Almost surely, 2312123141321213 is an apocalyptic number.
It is an amenable number.
312123141321213 is a deficient number, since it is larger than the sum of its proper divisors (115288727875555).
312123141321213 is a wasteful number, since it uses less digits than its factorization.
312123141321213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2811920192123.
The product of its digits is 5184, while the sum is 30.
The spelling of 312123141321213 in words is "three hundred twelve trillion, one hundred twenty-three billion, one hundred forty-one million, three hundred twenty-one thousand, two hundred thirteen".
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