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23870351069 is a prime number
BaseRepresentation
bin10110001110110010…
…001010011011011101
32021121120021110210122
4112032302022123131
5342341302213234
614544344244325
71503346431155
oct261662123335
967546243718
1023870351069
11a13a211074
1247621706a5
1323354a45b6
14122632b765
1594a93192e
hex58ec8a6dd

23870351069 has 2 divisors, whose sum is σ = 23870351070. Its totient is φ = 23870351068.

The previous prime is 23870350949. The next prime is 23870351093. The reversal of 23870351069 is 96015307832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12463043044 + 11407308025 = 111638^2 + 106805^2 .

It is a cyclic number.

It is not a de Polignac number, because 23870351069 - 28 = 23870350813 is a prime.

It is a super-2 number, since 2×238703510692 (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 (23870353069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11935175534 + 11935175535.

It is an arithmetic number, because the mean of its divisors is an integer number (11935175535).

Almost surely, 223870351069 is an apocalyptic number.

It is an amenable number.

23870351069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23870351069 is an equidigital number, since it uses as much as digits as its factorization.

23870351069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 23870351069 in words is "twenty-three billion, eight hundred seventy million, three hundred fifty-one thousand, sixty-nine".