Search a number
-
+
23979133044 = 22321993347171
BaseRepresentation
bin10110010101010001…
…001000100001110100
32021220010222011121200
4112111101020201310
5343102124224134
615003232012500
71506140160606
oct262521104164
967803864550
1023979133044
11a195660629
124792691130
132351ba1429
141236967176
1595526d499
hex595448874

23979133044 has 36 divisors (see below), whose sum is σ = 60918530400. Its totient is φ = 7952875920.

The previous prime is 23979133043. The next prime is 23979133081. The reversal of 23979133044 is 44033197932.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23979133043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666422 + ... + 1680749.

It is an arithmetic number, because the mean of its divisors is an integer number (1692181400).

Almost surely, 223979133044 is an apocalyptic number.

It is an amenable number.

23979133044 is an abundant number, since it is smaller than the sum of its proper divisors (36939397356).

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

23979133044 is a wasteful number, since it uses less digits than its factorization.

23979133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347380 (or 3347375 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 23979133044 in words is "twenty-three billion, nine hundred seventy-nine million, one hundred thirty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 199 398 597 796 1194 1791 2388 3582 7164 3347171 6694342 10041513 13388684 20083026 30124539 40166052 60249078 120498156 666087029 1332174058 1998261087 2664348116 3996522174 5994783261 7993044348 11989566522 23979133044