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110143442909 = 195797023311
BaseRepresentation
bin110011010010100001…
…1111000111111011101
3101112022002022122001102
41212211003320333131
53301033210133114
6122333232122445
710646312550233
oct1464503707735
9345262278042
10110143442909
1142791113975
121941a996425
13a504141376
14548c282953
152ce99ce2de
hex19a50f8fdd

110143442909 has 4 divisors (see below), whose sum is σ = 115940466240. Its totient is φ = 104346419580.

The previous prime is 110143442881. The next prime is 110143442977. The reversal of 110143442909 is 909244341011.

It is a happy number.

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 not a de Polignac number, because 110143442909 - 216 = 110143377373 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 (110143442989) 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, 2898511637 + ... + 2898511674.

It is an arithmetic number, because the mean of its divisors is an integer number (28985116560).

Almost surely, 2110143442909 is an apocalyptic number.

110143442909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

110143442909 is a deficient number, since it is larger than the sum of its proper divisors (5797023331).

110143442909 is an equidigital number, since it uses as much as digits as its factorization.

110143442909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797023330.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 110143442909 in words is "one hundred ten billion, one hundred forty-three million, four hundred forty-two thousand, nine hundred nine".

Divisors: 1 19 5797023311 110143442909