Base | Representation |
---|---|
bin | 1110111000011110… |
… | …11011100110001100 |
3 | 202121211121001111101 |
4 | 13130033123212030 |
5 | 112330420000022 |
6 | 3400501232444 |
7 | 401666610451 |
oct | 73417334614 |
9 | 22554531441 |
10 | 7990000012 |
11 | 34301682a5 |
12 | 166ba02724 |
13 | 9a4451577 |
14 | 55b223828 |
15 | 31b6c2627 |
hex | 1dc3db98c |
7990000012 has 12 divisors (see below), whose sum is σ = 14001426040. Its totient is φ = 3989592576.
The previous prime is 7990000003. The next prime is 7990000037. The reversal of 7990000012 is 2100000997.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348533 + ... + 1354444.
Almost surely, 27990000012 is an apocalyptic number.
It is an amenable number.
7990000012 is a deficient number, since it is larger than the sum of its proper divisors (6011426028).
7990000012 is a wasteful number, since it uses less digits than its factorization.
7990000012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2703720 (or 2703718 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 28.
The square root of 7990000012 is about 89386.7999874702. The cubic root of 7990000012 is about 1999.1663202040.
The spelling of 7990000012 in words is "seven billion, nine hundred ninety million, twelve", and thus it is an aban number.
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