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104865568369 is a prime number
BaseRepresentation
bin110000110101001111…
…0011001011001110001
3101000200021001211021121
41201222132121121301
53204231041141434
6120101413022241
710401444424012
oct1415236313161
9330607054247
10104865568369
1140522974691
12183a7324981
139b72860693
14510b32b009
152adb4897b4
hex186a799671

104865568369 has 2 divisors, whose sum is σ = 104865568370. Its totient is φ = 104865568368.

The previous prime is 104865568363. The next prime is 104865568391. The reversal of 104865568369 is 963865568401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93643344144 + 11222224225 = 306012^2 + 105935^2 .

It is a cyclic number.

It is not a de Polignac number, because 104865568369 - 223 = 104857179761 is a prime.

It is a super-2 number, since 2×1048655683692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104865568363) 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, 52432784184 + 52432784185.

It is an arithmetic number, because the mean of its divisors is an integer number (52432784185).

Almost surely, 2104865568369 is an apocalyptic number.

It is an amenable number.

104865568369 is a deficient number, since it is larger than the sum of its proper divisors (1).

104865568369 is an equidigital number, since it uses as much as digits as its factorization.

104865568369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 104865568369 in words is "one hundred four billion, eight hundred sixty-five million, five hundred sixty-eight thousand, three hundred sixty-nine".