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12428043822931 = 119711647651193
BaseRepresentation
bin1011010011011010000100…
…1000110010011101010011
31122000002221202001021200211
42310312201020302131103
53112110113204313211
642233210422424551
72421616340330152
oct264664110623523
948002852037624
1012428043822931
113a61781815470
12148877a892157
136c1c62050599
1430d74049b599
15168436839e21
hexb4da1232753

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".

Divisors: 1 11 97 1067 11647651193 128124163123 1129822165721 12428043822931