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23706649069 is a prime number
BaseRepresentation
bin10110000101000001…
…101100000111101101
32021012011020112212121
4112011001230013231
5342022400232234
614520215432541
71466321122645
oct260501540755
967164215777
1023706649069
11a065870364
124717385751
13230a5b8acc
14120c6b7525
1593b3974b4
hex58506c1ed

23706649069 has 2 divisors, whose sum is σ = 23706649070. Its totient is φ = 23706649068.

The previous prime is 23706649007. The next prime is 23706649081. The reversal of 23706649069 is 96094660732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20956905225 + 2749743844 = 144765^2 + 52438^2 .

It is a cyclic number.

It is not a de Polignac number, because 23706649069 - 215 = 23706616301 is a prime.

It is a super-2 number, since 2×237066490692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23716649069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11853324534 + 11853324535.

It is an arithmetic number, because the mean of its divisors is an integer number (11853324535).

Almost surely, 223706649069 is an apocalyptic number.

It is an amenable number.

23706649069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23706649069 is an equidigital number, since it uses as much as digits as its factorization.

23706649069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 23706649069 in words is "twenty-three billion, seven hundred six million, six hundred forty-nine thousand, sixty-nine".