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15268828423 is a prime number
BaseRepresentation
bin11100011100001011…
…11101010100000111
31110102002222211221211
432032011331110013
5222232310002143
611003035552251
71050242620522
oct161605752407
943362884854
1015268828423
116525945872
122b615bb687
131594451824
14a4bc01bb9
155e571749d
hex38e17d507

15268828423 has 2 divisors, whose sum is σ = 15268828424. Its totient is φ = 15268828422.

The previous prime is 15268828397. The next prime is 15268828433. The reversal of 15268828423 is 32482886251.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32482886251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15268828423 is a prime.

It is a super-2 number, since 2×152688284232 (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 (15268828433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634414211 + 7634414212.

It is an arithmetic number, because the mean of its divisors is an integer number (7634414212).

Almost surely, 215268828423 is an apocalyptic number.

15268828423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15268828423 is an equidigital number, since it uses as much as digits as its factorization.

15268828423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1474560, while the sum is 49.

The spelling of 15268828423 in words is "fifteen billion, two hundred sixty-eight million, eight hundred twenty-eight thousand, four hundred twenty-three".