Base | Representation |
---|---|
bin | 1011010011011010000100… |
… | …1000110010011101010011 |
3 | 1122000002221202001021200211 |
4 | 2310312201020302131103 |
5 | 3112110113204313211 |
6 | 42233210422424551 |
7 | 2421616340330152 |
oct | 264664110623523 |
9 | 48002852037624 |
10 | 12428043822931 |
11 | 3a61781815470 |
12 | 148877a892157 |
13 | 6c1c62050599 |
14 | 30d74049b599 |
15 | 168436839e21 |
hex | b4da1232753 |
12428043822931 has 8 divisors (see below), whose sum is σ = 13697637804144. Its totient is φ = 11181745144320.
The previous prime is 12428043822923. The next prime is 12428043823007. The reversal of 12428043822931 is 13922834082421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12428043822931 - 23 = 12428043822923 is a prime.
It is a super-2 number, since 2×124280438229312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12428043822331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5823824530 + ... + 5823826663.
It is an arithmetic number, because the mean of its divisors is an integer number (1712204725518).
Almost surely, 212428043822931 is an apocalyptic number.
12428043822931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12428043822931 is a deficient number, since it is larger than the sum of its proper divisors (1269593981213).
12428043822931 is a wasteful number, since it uses less digits than its factorization.
12428043822931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11647651301.
The product of its (nonzero) digits is 1327104, while the sum is 49.
The spelling of 12428043822931 in words is "twelve trillion, four hundred twenty-eight billion, forty-three million, eight hundred twenty-two thousand, nine hundred thirty-one".
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