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23190370069 is a prime number
BaseRepresentation
bin10101100110010000…
…001111011100010101
32012212011202212020011
4111212100033130111
5334443213320234
614353054040221
71450451615236
oct254620173425
965764685204
1023190370069
1199203a52a9
1245b24a9071
132257654189
14119dcc508d
1590adb5b64
hex56640f715

23190370069 has 2 divisors, whose sum is σ = 23190370070. Its totient is φ = 23190370068.

The previous prime is 23190370031. The next prime is 23190370079. The reversal of 23190370069 is 96007309132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15784907044 + 7405463025 = 125638^2 + 86055^2 .

It is a cyclic number.

It is not a de Polignac number, because 23190370069 - 217 = 23190238997 is a prime.

It is a super-2 number, since 2×231903700692 (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 (23190370079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11595185034 + 11595185035.

It is an arithmetic number, because the mean of its divisors is an integer number (11595185035).

Almost surely, 223190370069 is an apocalyptic number.

It is an amenable number.

23190370069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23190370069 is an equidigital number, since it uses as much as digits as its factorization.

23190370069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 23190370069 in words is "twenty-three billion, one hundred ninety million, three hundred seventy thousand, sixty-nine".