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109142707 = 195744353
BaseRepresentation
bin1101000000101…
…10001010110011
321121101000122111
412200112022303
5210420031312
614455150151
72463461212
oct640261263
9247330574
10109142707
1156676593
1230675357
13197c50ab
14106d1079
1598ad8a7
hex68162b3

109142707 has 4 divisors (see below), whose sum is σ = 114887080. Its totient is φ = 103398336.

The previous prime is 109142701. The next prime is 109142713. The reversal of 109142707 is 707241901.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (109142701) and next prime (109142713).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109142707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109142701) 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, 2872158 + ... + 2872195.

It is an arithmetic number, because the mean of its divisors is an integer number (28721770).

Almost surely, 2109142707 is an apocalyptic number.

109142707 is a deficient number, since it is larger than the sum of its proper divisors (5744373).

109142707 is an equidigital number, since it uses as much as digits as its factorization.

109142707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744372.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 109142707 is about 10447.1386991846. The cubic root of 109142707 is about 477.8939953306.

The spelling of 109142707 in words is "one hundred nine million, one hundred forty-two thousand, seven hundred seven".

Divisors: 1 19 5744353 109142707