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13865133823 is a prime number
BaseRepresentation
bin11001110100110110…
…10010011011111111
31022210021200202221221
430322123102123333
5211343433240243
610211453534211
71000406456452
oct147233223377
938707622857
1013865133823
115975563292
12282b4a4367
1313cc6ab4c8
1495760b499
15562392bed
hex33a6d26ff

13865133823 has 2 divisors, whose sum is σ = 13865133824. Its totient is φ = 13865133822.

The previous prime is 13865133797. The next prime is 13865133829. The reversal of 13865133823 is 32833156831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13865133823 - 25 = 13865133791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13865133823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13865133829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6932566911 + 6932566912.

It is an arithmetic number, because the mean of its divisors is an integer number (6932566912).

Almost surely, 213865133823 is an apocalyptic number.

13865133823 is a deficient number, since it is larger than the sum of its proper divisors (1).

13865133823 is an equidigital number, since it uses as much as digits as its factorization.

13865133823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The spelling of 13865133823 in words is "thirteen billion, eight hundred sixty-five million, one hundred thirty-three thousand, eight hundred twenty-three".