Base | Representation |
---|---|
bin | 11000001100100110… |
… | …00000101100000000 |
3 | 1020112100000020202200 |
4 | 30012103000230000 |
5 | 203101040024421 |
6 | 5545012313200 |
7 | 636626561634 |
oct | 140623005400 |
9 | 36470006680 |
10 | 12990548736 |
11 | 556690a5a0 |
12 | 2626612800 |
13 | 12c0442b39 |
14 | 8b33c8dc4 |
15 | 5106d6726 |
hex | 3064c0b00 |
12990548736 has 108 divisors (see below), whose sum is σ = 40860030120. Its totient is φ = 3936522240.
The previous prime is 12990548719. The next prime is 12990548761. The reversal of 12990548736 is 63784509921.
12990548736 is a `hidden beast` number, since 1 + 2 + 9 + 90 + 548 + 7 + 3 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230941 + ... + 281628.
It is a 1-persistent number, because it is pandigital, but 2⋅12990548736 = 25981097472 is not.
Almost surely, 212990548736 is an apocalyptic number.
12990548736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
12990548736 is an abundant number, since it is smaller than the sum of its proper divisors (27869481384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12990548736 is a wasteful number, since it uses less digits than its factorization.
12990548736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512602 (or 512585 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 12990548736 in words is "twelve billion, nine hundred ninety million, five hundred forty-eight thousand, seven hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •