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23041939209 = 37680646403
BaseRepresentation
bin10101011101011010…
…000001011100001001
32012110211110210100220
4111131122001130021
5334142214023314
614330232420253
71444000152222
oct253532013411
965424423326
1023041939209
119854634a73
124570847689
132232984573
1411882c8249
158ecd463a9
hex55d681709

23041939209 has 4 divisors (see below), whose sum is σ = 30722585616. Its totient is φ = 15361292804.

The previous prime is 23041939199. The next prime is 23041939223. The reversal of 23041939209 is 90293914032.

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 not a de Polignac number, because 23041939209 - 215 = 23041906441 is a prime.

It is a super-2 number, since 2×230419392092 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23041939229) 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, 3840323199 + ... + 3840323204.

It is an arithmetic number, because the mean of its divisors is an integer number (7680646404).

Almost surely, 223041939209 is an apocalyptic number.

It is an amenable number.

23041939209 is a deficient number, since it is larger than the sum of its proper divisors (7680646407).

23041939209 is an equidigital number, since it uses as much as digits as its factorization.

23041939209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680646406.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 23041939209 in words is "twenty-three billion, forty-one million, nine hundred thirty-nine thousand, two hundred nine".

Divisors: 1 3 7680646403 23041939209