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23653950769 is a prime number
BaseRepresentation
bin10110000001111000…
…101010010100110001
32021001111002012101201
4112001320222110301
5341420402411034
614511054131201
71465111156411
oct260170522461
967044065351
1023653950769
11a039047349
1247017b0b01
1322cc6c7497
1412056ba641
15936938014
hex581e2a531

23653950769 has 2 divisors, whose sum is σ = 23653950770. Its totient is φ = 23653950768.

The previous prime is 23653950751. The next prime is 23653950781. The reversal of 23653950769 is 96705935632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23441141025 + 212809744 = 153105^2 + 14588^2 .

It is a cyclic number.

It is not a de Polignac number, because 23653950769 - 225 = 23620396337 is a prime.

It is a super-2 number, since 2×236539507692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23651950769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11826975384 + 11826975385.

It is an arithmetic number, because the mean of its divisors is an integer number (11826975385).

Almost surely, 223653950769 is an apocalyptic number.

It is an amenable number.

23653950769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23653950769 is an equidigital number, since it uses as much as digits as its factorization.

23653950769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 23653950769 in words is "twenty-three billion, six hundred fifty-three million, nine hundred fifty thousand, seven hundred sixty-nine".