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109808709797 = 532239290863
BaseRepresentation
bin110011001000100011…
…0111111000010100101
3101111102202110102112202
41212101012333002211
53244342012203142
6122240113424245
710635106430033
oct1462106770245
9344382412482
10109808709797
114262a176a36
121934686b085
13a47c9a2137
145459a2b553
152cca40e032
hex19911bf0a5

109808709797 has 8 divisors (see below), whose sum is σ = 112382290944. Its totient is φ = 107253710928.

The previous prime is 109808709743. The next prime is 109808709799. The reversal of 109808709797 is 797907808901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109808709797 - 212 = 109808705701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109808709799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4633613 + ... + 4657250.

It is an arithmetic number, because the mean of its divisors is an integer number (14047786368).

Almost surely, 2109808709797 is an apocalyptic number.

It is an amenable number.

109808709797 is a deficient number, since it is larger than the sum of its proper divisors (2573581147).

109808709797 is an equidigital number, since it uses as much as digits as its factorization.

109808709797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291139.

The product of its (nonzero) digits is 16003008, while the sum is 65.

The spelling of 109808709797 in words is "one hundred nine billion, eight hundred eight million, seven hundred nine thousand, seven hundred ninety-seven".

Divisors: 1 53 223 11819 9290863 492415739 2071862449 109808709797