Base | Representation |
---|---|
bin | 10111000110100001… |
… | …00100110101111111 |
3 | 1012000100212211122121 |
4 | 23203100210311333 |
5 | 200400043122324 |
6 | 5410413023411 |
7 | 616231164034 |
oct | 134320446577 |
9 | 35010784577 |
10 | 12402707839 |
11 | 5295006a75 |
12 | 24a1784b67 |
13 | 12287137a2 |
14 | 8592c938b |
15 | 4c8cbb5e4 |
hex | 2e3424d7f |
12402707839 has 2 divisors, whose sum is σ = 12402707840. Its totient is φ = 12402707838.
The previous prime is 12402707809. The next prime is 12402707851. The reversal of 12402707839 is 93870720421.
It is a strong prime.
It is an emirp because it is prime and its reverse (93870720421) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12402707839 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12402707795 and 12402707804.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12402707809) 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, 6201353919 + 6201353920.
It is an arithmetic number, because the mean of its divisors is an integer number (6201353920).
Almost surely, 212402707839 is an apocalyptic number.
12402707839 is a deficient number, since it is larger than the sum of its proper divisors (1).
12402707839 is an equidigital number, since it uses as much as digits as its factorization.
12402707839 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 169344, while the sum is 43.
The spelling of 12402707839 in words is "twelve billion, four hundred two million, seven hundred seven thousand, eight hundred thirty-nine".
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