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104995811197 is a prime number
BaseRepresentation
bin110000111001000111…
…1001110111101111101
3101001000100010211212001
41201302033032331331
53210012411424242
6120122344342301
710404615445504
oct1416217167575
9331010124761
10104995811197
114058a441a92
1218422a74991
139b93832844
14512075183b
152ae7b14eb7
hex18723cef7d

104995811197 has 2 divisors, whose sum is σ = 104995811198. Its totient is φ = 104995811196.

The previous prime is 104995811189. The next prime is 104995811201. The reversal of 104995811197 is 791118599401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58094978841 + 46900832356 = 241029^2 + 216566^2 .

It is a cyclic number.

It is not a de Polignac number, because 104995811197 - 23 = 104995811189 is a prime.

It is a super-2 number, since 2×1049958111972 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104995811147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52497905598 + 52497905599.

It is an arithmetic number, because the mean of its divisors is an integer number (52497905599).

Almost surely, 2104995811197 is an apocalyptic number.

It is an amenable number.

104995811197 is a deficient number, since it is larger than the sum of its proper divisors (1).

104995811197 is an equidigital number, since it uses as much as digits as its factorization.

104995811197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 55.

The spelling of 104995811197 in words is "one hundred four billion, nine hundred ninety-five million, eight hundred eleven thousand, one hundred ninety-seven".