Base | Representation |
---|---|
bin | 10111111010100001… |
… | …01100100011010010 |
3 | 1020010202202002022112 |
4 | 23331100230203102 |
5 | 202243232301101 |
6 | 5521555105322 |
7 | 633106151303 |
oct | 137520544322 |
9 | 36122662275 |
10 | 12838947026 |
11 | 5499283a24 |
12 | 25a38a2242 |
13 | 1297c02b99 |
14 | 89b2047aa |
15 | 50223c6bb |
hex | 2fd42c8d2 |
12838947026 has 32 divisors (see below), whose sum is σ = 21559296960. Its totient is φ = 5698584576.
The previous prime is 12838946983. The next prime is 12838947031. The reversal of 12838947026 is 62074983821.
12838947026 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 15 ways as a sum of consecutive naturals, for example, 102866 + ... + 190418.
It is an arithmetic number, because the mean of its divisors is an integer number (673728030).
Almost surely, 212838947026 is an apocalyptic number.
12838947026 is a deficient number, since it is larger than the sum of its proper divisors (8720349934).
12838947026 is a wasteful number, since it uses less digits than its factorization.
12838947026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87818.
The product of its (nonzero) digits is 1161216, while the sum is 50.
The spelling of 12838947026 in words is "twelve billion, eight hundred thirty-eight million, nine hundred forty-seven thousand, twenty-six".
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