Search a number
-
+
23164645808 = 2417503916901
BaseRepresentation
bin10101100100101110…
…000111000110110000
32012210101100221011202
4111210232013012300
5334420122131213
614350334430332
71450020145343
oct254456070660
965711327152
1023164645808
119907925287
1245a59623a8
132252218415
14119a70a45a
159089d3b58
hex564b871b0

23164645808 has 40 divisors (see below), whose sum is σ = 47533832640. Its totient is φ = 10898201600.

The previous prime is 23164645793. The next prime is 23164645837. The reversal of 23164645808 is 80854646132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362158 + ... + 1379058.

It is an arithmetic number, because the mean of its divisors is an integer number (1188345816).

Almost surely, 223164645808 is an apocalyptic number.

It is an amenable number.

23164645808 is an abundant number, since it is smaller than the sum of its proper divisors (24369186832).

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

23164645808 is a wasteful number, since it uses less digits than its factorization.

23164645808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21965 (or 21959 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 23164645808 in words is "twenty-three billion, one hundred sixty-four million, six hundred forty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 5039 10078 16901 20156 33802 40312 67604 80624 85663 135208 171326 270416 287317 342652 574634 685304 1149268 1370608 2298536 4597072 85164139 170328278 340656556 681313112 1362626224 1447790363 2895580726 5791161452 11582322904 23164645808