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11428892831 is a prime number
BaseRepresentation
bin10101010010011011…
…10001000010011111
31002111111110220121002
422221031301002133
5141401244032311
65130024500515
7553134662156
oct125115610237
932444426532
1011428892831
114935348384
12226b61a73b
131101a43ca5
147a5c3659d
1546d55d93b
hex2a937109f

11428892831 has 2 divisors, whose sum is σ = 11428892832. Its totient is φ = 11428892830.

The previous prime is 11428892807. The next prime is 11428892833. The reversal of 11428892831 is 13829882411.

11428892831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11428892831 - 230 = 10355151007 is a prime.

It is a super-2 number, since 2×114288928312 (a number of 21 digits) contains 22 as substring.

Together with 11428892833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11428892833) by changing a digit.

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 as a sum of consecutive naturals, namely, 5714446415 + 5714446416.

It is an arithmetic number, because the mean of its divisors is an integer number (5714446416).

Almost surely, 211428892831 is an apocalyptic number.

11428892831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428892831 is an equidigital number, since it uses as much as digits as its factorization.

11428892831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 47.

The spelling of 11428892831 in words is "eleven billion, four hundred twenty-eight million, eight hundred ninety-two thousand, eight hundred thirty-one".