Base | Representation |
---|---|
bin | 10111001001100101… |
… | …01111010110000111 |
3 | 1012002011022012212102 |
4 | 23210302233112013 |
5 | 200423140102332 |
6 | 5413132342315 |
7 | 616663001525 |
oct | 134462572607 |
9 | 35064265772 |
10 | 12428440967 |
11 | 52a8592718 |
12 | 24aa31499b |
13 | 1230b535a7 |
14 | 85c8a7315 |
15 | 4cb1a1062 |
hex | 2e4caf587 |
12428440967 has 2 divisors, whose sum is σ = 12428440968. Its totient is φ = 12428440966.
The previous prime is 12428440961. The next prime is 12428440979. The reversal of 12428440967 is 76904482421.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12428440967 - 228 = 12160005511 is a prime.
It is a super-2 number, since 2×124284409672 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12428440961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214220483 + 6214220484.
It is an arithmetic number, because the mean of its divisors is an integer number (6214220484).
Almost surely, 212428440967 is an apocalyptic number.
12428440967 is a deficient number, since it is larger than the sum of its proper divisors (1).
12428440967 is an equidigital number, since it uses as much as digits as its factorization.
12428440967 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 774144, while the sum is 47.
The spelling of 12428440967 in words is "twelve billion, four hundred twenty-eight million, four hundred forty thousand, nine hundred sixty-seven".
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