Base | Representation |
---|---|
bin | 10111000111101000… |
… | …11010011101011011 |
3 | 1012001000120010200200 |
4 | 23203310122131123 |
5 | 200404444234431 |
6 | 5411350233243 |
7 | 616404062505 |
oct | 134364323533 |
9 | 35030503620 |
10 | 12412102491 |
11 | 529a343348 |
12 | 24a4955823 |
13 | 122a652959 |
14 | 85a652d75 |
15 | 4c9a24ee6 |
hex | 2e3d1a75b |
12412102491 has 6 divisors (see below), whose sum is σ = 17928592500. Its totient is φ = 8274734988.
The previous prime is 12412102477. The next prime is 12412102499. The reversal of 12412102491 is 19420121421.
It is a happy number.
12412102491 is a `hidden beast` number, since 1 + 2 + 412 + 1 + 0 + 249 + 1 = 666.
It is not a de Polignac number, because 12412102491 - 219 = 12411578203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12412102499) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689561241 + ... + 689561258.
It is an arithmetic number, because the mean of its divisors is an integer number (2988098750).
Almost surely, 212412102491 is an apocalyptic number.
12412102491 is a deficient number, since it is larger than the sum of its proper divisors (5516490009).
12412102491 is a wasteful number, since it uses less digits than its factorization.
12412102491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1379122505 (or 1379122502 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The spelling of 12412102491 in words is "twelve billion, four hundred twelve million, one hundred two thousand, four hundred ninety-one".
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