Base | Representation |
---|---|
bin | 11000000000101000… |
… | …11100110100000110 |
3 | 1020021100022012022101 |
4 | 30000110130310012 |
5 | 202344401402130 |
6 | 5531031022314 |
7 | 634301266036 |
oct | 140024346406 |
9 | 36240265271 |
10 | 12890262790 |
11 | 5515243249 |
12 | 25b8b0a99a |
13 | 12a572c142 |
14 | 8a3d618c6 |
15 | 5069c71ca |
hex | 30051cd06 |
12890262790 has 16 divisors (see below), whose sum is σ = 23236757712. Its totient is φ = 5148486304.
The previous prime is 12890262743. The next prime is 12890262811. The reversal of 12890262790 is 9726209821.
It is a self number, because there is not a number n which added to its sum of digits gives 12890262790.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945244 + ... + 958783.
It is an arithmetic number, because the mean of its divisors is an integer number (1452297357).
Almost surely, 212890262790 is an apocalyptic number.
12890262790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12890262790 is a deficient number, since it is larger than the sum of its proper divisors (10346494922).
12890262790 is a wasteful number, since it uses less digits than its factorization.
12890262790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1904711.
The product of its (nonzero) digits is 217728, while the sum is 46.
The spelling of 12890262790 in words is "twelve billion, eight hundred ninety million, two hundred sixty-two thousand, seven hundred ninety".
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