Base | Representation |
---|---|
bin | 10110111100000111… |
… | …11110110011010011 |
3 | 1011210021211020201012 |
4 | 23132003332303103 |
5 | 200210233121321 |
6 | 5354020201135 |
7 | 614122123511 |
oct | 133603766323 |
9 | 34707736635 |
10 | 12315520211 |
11 | 524a876685 |
12 | 24785391ab |
13 | 1213637987 |
14 | 84b8b14b1 |
15 | 4c12e805b |
hex | 2de0fecd3 |
12315520211 has 8 divisors (see below), whose sum is σ = 12375431424. Its totient is φ = 12255659080.
The previous prime is 12315520193. The next prime is 12315520241. The reversal of 12315520211 is 11202551321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12315520211 - 222 = 12311325907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12315520241) 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, 538826 + ... + 561216.
It is an arithmetic number, because the mean of its divisors is an integer number (1546928928).
Almost surely, 212315520211 is an apocalyptic number.
12315520211 is a deficient number, since it is larger than the sum of its proper divisors (59911213).
12315520211 is a wasteful number, since it uses less digits than its factorization.
12315520211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25041.
The product of its (nonzero) digits is 600, while the sum is 23.
The spelling of 12315520211 in words is "twelve billion, three hundred fifteen million, five hundred twenty thousand, two hundred eleven".
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