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109055005 = 521811001
BaseRepresentation
bin1101000000000…
…00110000011101
321121012120100021
412200000300131
5210404230010
614453232141
72462644423
oct640006035
9247176307
10109055005
1156616704
1230632651
13197941b7
14106ab113
1598928da
hex6800c1d

109055005 has 4 divisors (see below), whose sum is σ = 130866012. Its totient is φ = 87244000.

The previous prime is 109054991. The next prime is 109055033. The reversal of 109055005 is 500550901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500550901 = 4311161371.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 63059481 = 6782^2 + 7941^2 .

It is not a de Polignac number, because 109055005 - 217 = 108923933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10905496 + ... + 10905505.

It is an arithmetic number, because the mean of its divisors is an integer number (32716503).

Almost surely, 2109055005 is an apocalyptic number.

It is an amenable number.

109055005 is a deficient number, since it is larger than the sum of its proper divisors (21811007).

109055005 is an equidigital number, since it uses as much as digits as its factorization.

109055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21811006.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 109055005 is about 10442.9404384014. The cubic root of 109055005 is about 477.7659565711.

The spelling of 109055005 in words is "one hundred nine million, fifty-five thousand, five".

Divisors: 1 5 21811001 109055005