Base | Representation |
---|---|
bin | 10111000100000010… |
… | …10011011000111111 |
3 | 1011221220210001122222 |
4 | 23202001103120333 |
5 | 200324233130400 |
6 | 5404351355555 |
7 | 615556433315 |
oct | 134201233077 |
9 | 34856701588 |
10 | 12381926975 |
11 | 5284303000 |
12 | 2496822bbb |
13 | 1224318b12 |
14 | 85663a0b5 |
15 | 4c7064185 |
hex | 2e205363f |
12381926975 has 96 divisors (see below), whose sum is σ = 17694313920. Its totient is φ = 8586547200.
The previous prime is 12381926959. The next prime is 12381926981. The reversal of 12381926975 is 57962918321.
12381926975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12381926975 - 24 = 12381926959 is a prime.
It is a super-2 number, since 2×123819269752 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109574519 + ... + 109574631.
It is an arithmetic number, because the mean of its divisors is an integer number (184315770).
Almost surely, 212381926975 is an apocalyptic number.
12381926975 is a deficient number, since it is larger than the sum of its proper divisors (5312386945).
12381926975 is a wasteful number, since it uses less digits than its factorization.
12381926975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282 (or 255 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 53.
The spelling of 12381926975 in words is "twelve billion, three hundred eighty-one million, nine hundred twenty-six thousand, nine hundred seventy-five".
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