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23974892693 is a prime number
BaseRepresentation
bin10110010101000000…
…111101010010010101
32021212211222201221122
4112111000331102111
5343100033031233
615003001053325
71506056140223
oct262500752225
967784881848
1023974892693
11a193224804
124791187245
13235104834b
141236181b13
15954bd1d98
hex59503d495

23974892693 has 2 divisors, whose sum is σ = 23974892694. Its totient is φ = 23974892692.

The previous prime is 23974892681. The next prime is 23974892761. The reversal of 23974892693 is 39629847932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21473092369 + 2501800324 = 146537^2 + 50018^2 .

It is a cyclic number.

It is not a de Polignac number, because 23974892693 - 226 = 23907783829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23974892603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11987446346 + 11987446347.

It is an arithmetic number, because the mean of its divisors is an integer number (11987446347).

Almost surely, 223974892693 is an apocalyptic number.

It is an amenable number.

23974892693 is a deficient number, since it is larger than the sum of its proper divisors (1).

23974892693 is an equidigital number, since it uses as much as digits as its factorization.

23974892693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 62.

The spelling of 23974892693 in words is "twenty-three billion, nine hundred seventy-four million, eight hundred ninety-two thousand, six hundred ninety-three".