Base | Representation |
---|---|
bin | 10110010111100011… |
… | …11001100111101100 |
3 | 1010222220122202122211 |
4 | 23023301321213230 |
5 | 144043222244013 |
6 | 5303342020204 |
7 | 603406015021 |
oct | 131361714754 |
9 | 33886582584 |
10 | 12008790508 |
11 | 5102716060 |
12 | 23b1877664 |
13 | 1194c21a00 |
14 | 81cc69548 |
15 | 4a440a23d |
hex | 2cbc799ec |
12008790508 has 72 divisors (see below), whose sum is σ = 25082492400. Its totient is φ = 4986408960.
The previous prime is 12008790491. The next prime is 12008790517. The reversal of 12008790508 is 80509780021.
It is a super-2 number, since 2×120087905082 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712968 + ... + 729616.
It is an arithmetic number, because the mean of its divisors is an integer number (348367950).
Almost surely, 212008790508 is an apocalyptic number.
It is an amenable number.
12008790508 is an abundant number, since it is smaller than the sum of its proper divisors (13073701892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12008790508 is a wasteful number, since it uses less digits than its factorization.
12008790508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16787 (or 16772 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 40.
The spelling of 12008790508 in words is "twelve billion, eight million, seven hundred ninety thousand, five hundred eight".
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