Search a number
-
+
23091074879 = 103224185193
BaseRepresentation
bin10101100000010101…
…011101011100111111
32012121020221010211112
4111200111131130333
5334242303344004
614335145512235
71445134620005
oct254025353477
965536833745
1023091074879
11987a345364
1245851a267b
13223cbc9422
141190a38a75
159022eee6e
hex56055d73f

23091074879 has 4 divisors (see below), whose sum is σ = 23315260176. Its totient is φ = 22866889584.

The previous prime is 23091074771. The next prime is 23091074911. The reversal of 23091074879 is 97847019032.

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

It is a cyclic number.

It is not a de Polignac number, because 23091074879 - 216 = 23091009343 is a prime.

It is a super-3 number, since 3×230910748793 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23091014879) 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, 112092494 + ... + 112092699.

It is an arithmetic number, because the mean of its divisors is an integer number (5828815044).

Almost surely, 223091074879 is an apocalyptic number.

23091074879 is a deficient number, since it is larger than the sum of its proper divisors (224185297).

23091074879 is a wasteful number, since it uses less digits than its factorization.

23091074879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224185296.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 23091074879 in words is "twenty-three billion, ninety-one million, seventy-four thousand, eight hundred seventy-nine".

Divisors: 1 103 224185193 23091074879