Base | Representation |
---|---|
bin | 11000001011010111… |
… | …01100000110110000 |
3 | 1020111121121112221212 |
4 | 30011223230012300 |
5 | 203040420201231 |
6 | 5544003335252 |
7 | 636443140454 |
oct | 140553540660 |
9 | 36447545855 |
10 | 12980240816 |
11 | 556100a054 |
12 | 2623081528 |
13 | 12bb27408a |
14 | 8b1ca4664 |
15 | 50e84c42b |
hex | 305aec1b0 |
12980240816 has 20 divisors (see below), whose sum is σ = 25280893824. Its totient is φ = 6456139200.
The previous prime is 12980240807. The next prime is 12980240821. The reversal of 12980240816 is 61804208921.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120675 + ... + 2126786.
Almost surely, 212980240816 is an apocalyptic number.
12980240816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
12980240816 is a deficient number, since it is larger than the sum of its proper divisors (12300653008).
12980240816 is a wasteful number, since it uses less digits than its factorization.
12980240816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4247660 (or 4247654 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 41.
The spelling of 12980240816 in words is "twelve billion, nine hundred eighty million, two hundred forty thousand, eight hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •