Base | Representation |
---|---|
bin | 10111101111000010… |
… | …10101000000111010 |
3 | 1012220001112101002021 |
4 | 23313201111000322 |
5 | 202044104100040 |
6 | 5504235025054 |
7 | 630526453633 |
oct | 136741250072 |
9 | 35801471067 |
10 | 12742643770 |
11 | 544998795a |
12 | 257759b18a |
13 | 1280c84bcc |
14 | 88c4d688a |
15 | 4e8a6824a |
hex | 2f785503a |
12742643770 has 16 divisors (see below), whose sum is σ = 23934009600. Its totient is φ = 4875446224.
The previous prime is 12742643729. The next prime is 12742643783. The reversal of 12742643770 is 7734624721.
12742643770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 7 ways as a sum of consecutive naturals, for example, 27701170 + ... + 27701629.
It is an arithmetic number, because the mean of its divisors is an integer number (1495875600).
Almost surely, 212742643770 is an apocalyptic number.
12742643770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12742643770 is a deficient number, since it is larger than the sum of its proper divisors (11191365830).
12742643770 is a wasteful number, since it uses less digits than its factorization.
12742643770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55402829.
The product of its (nonzero) digits is 395136, while the sum is 43.
The spelling of 12742643770 in words is "twelve billion, seven hundred forty-two million, six hundred forty-three thousand, seven hundred seventy".
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