Base | Representation |
---|---|
bin | 10110100000000100… |
… | …10110001100111111 |
3 | 1011011220001021211000 |
4 | 23100002112030333 |
5 | 144220013221001 |
6 | 5314412501343 |
7 | 605234045220 |
oct | 132002261477 |
9 | 34156037730 |
10 | 12080210751 |
11 | 5139a67154 |
12 | 241177a853 |
13 | 11a6969acb |
14 | 82853b247 |
15 | 4aa816a86 |
hex | 2d009633f |
12080210751 has 32 divisors (see below), whose sum is σ = 20758561280. Its totient is φ = 6799940928.
The previous prime is 12080210741. The next prime is 12080210759. The reversal of 12080210751 is 15701208021.
It is not a de Polignac number, because 12080210751 - 29 = 12080210239 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12080210759) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464326 + ... + 489651.
It is an arithmetic number, because the mean of its divisors is an integer number (648705040).
Almost surely, 212080210751 is an apocalyptic number.
12080210751 is a deficient number, since it is larger than the sum of its proper divisors (8678350529).
12080210751 is an equidigital number, since it uses as much as digits as its factorization.
12080210751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954060 (or 954054 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
Adding to 12080210751 its reverse (15701208021), we get a palindrome (27781418772).
The spelling of 12080210751 in words is "twelve billion, eighty million, two hundred ten thousand, seven hundred fifty-one".
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