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110809013 = 715829859
BaseRepresentation
bin1101001101011…
…00111110110101
321201111200101112
412212230332311
5211331342023
614555004405
72513601230
oct646547665
9251450345
10110809013
11576044a7
1231139705
1319c59683
1410a06417
159adc478
hex69acfb5

110809013 has 4 divisors (see below), whose sum is σ = 126638880. Its totient is φ = 94979148.

The previous prime is 110809003. The next prime is 110809057. The reversal of 110809013 is 310908011.

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-110809013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110809013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110809003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7914923 + ... + 7914936.

It is an arithmetic number, because the mean of its divisors is an integer number (31659720).

Almost surely, 2110809013 is an apocalyptic number.

It is an amenable number.

110809013 is a deficient number, since it is larger than the sum of its proper divisors (15829867).

110809013 is an equidigital number, since it uses as much as digits as its factorization.

110809013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829866.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 110809013 is about 10526.5860087685. The cubic root of 110809013 is about 480.3137604274.

The spelling of 110809013 in words is "one hundred ten million, eight hundred nine thousand, thirteen".

Divisors: 1 7 15829859 110809013