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23031493099 = 1131867109169
BaseRepresentation
bin10101011100110010…
…001011000111101011
32012110002211001222221
4111130302023013223
5334132030234344
614325220454511
71443512314126
oct253462130753
965402731887
1023031493099
11984974a71a
12456924a437
132230767934
141186b693bd
158ebe81184
hex55cc8b1eb

23031493099 has 8 divisors (see below), whose sum is σ = 23247969840. Its totient is φ = 22815238656.

The previous prime is 23031493063. The next prime is 23031493103. The reversal of 23031493099 is 99039413032.

It is a happy number.

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 23031493099 - 29 = 23031492587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031493039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156387 + ... + 265555.

It is an arithmetic number, because the mean of its divisors is an integer number (2905996230).

Almost surely, 223031493099 is an apocalyptic number.

23031493099 is a deficient number, since it is larger than the sum of its proper divisors (216476741).

23031493099 is a wasteful number, since it uses less digits than its factorization.

23031493099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111149.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 23031493099 in words is "twenty-three billion, thirty-one million, four hundred ninety-three thousand, ninety-nine".

Divisors: 1 113 1867 109169 210971 12336097 203818523 23031493099