Search a number
-
+
23040111012 = 2231920009251
BaseRepresentation
bin10101011101010011…
…000011000110100100
32012110201000220112220
4111131103003012210
5334141232023022
614330125312340
71443645466212
oct253523030644
965421026486
1023040111012
1198535a6466
1245701056b0
1322324943a9
141187d6dcb2
158ecad485c
hex55d4c31a4

23040111012 has 12 divisors (see below), whose sum is σ = 53760259056. Its totient is φ = 7680037000.

The previous prime is 23040110993. The next prime is 23040111013. The reversal of 23040111012 is 21011104032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23040110982 and 23040111000.

It is not an unprimeable number, because it can be changed into a prime (23040111013) 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, 960004614 + ... + 960004637.

It is an arithmetic number, because the mean of its divisors is an integer number (4480021588).

Almost surely, 223040111012 is an apocalyptic number.

It is an amenable number.

23040111012 is an abundant number, since it is smaller than the sum of its proper divisors (30720148044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23040111012 is a wasteful number, since it uses less digits than its factorization.

23040111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920009258 (or 1920009256 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23040111012 its reverse (21011104032), we get a palindrome (44051215044).

The spelling of 23040111012 in words is "twenty-three billion, forty million, one hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 1920009251 3840018502 5760027753 7680037004 11520055506 23040111012