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108271089509 = 119842826319
BaseRepresentation
bin110010011010101110…
…1011011011101100101
3101100110121011020001012
41210311131123131211
53233214344331014
6121423345112005
710552026035042
oct1446535333545
9340417136035
10108271089509
1141a10231070
1218b97928605
13a29626a54b
1453517341c9
152c3a432c3e
hex193575b765

108271089509 has 4 divisors (see below), whose sum is σ = 118113915840. Its totient is φ = 98428263180.

The previous prime is 108271089497. The next prime is 108271089539. The reversal of 108271089509 is 905980172801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108271089509 is a prime.

It is a super-2 number, since 2×1082710895092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108271089539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4921413149 + ... + 4921413170.

It is an arithmetic number, because the mean of its divisors is an integer number (29528478960).

Almost surely, 2108271089509 is an apocalyptic number.

It is an amenable number.

108271089509 is a deficient number, since it is larger than the sum of its proper divisors (9842826331).

108271089509 is an equidigital number, since it uses as much as digits as its factorization.

108271089509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842826330.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 108271089509 in words is "one hundred eight billion, two hundred seventy-one million, eighty-nine thousand, five hundred nine".

Divisors: 1 11 9842826319 108271089509