Search a number
-
+
23944491012 = 22313331463717
BaseRepresentation
bin10110010011001100…
…111111000000000100
32021210201210011200110
4112103030333000010
5343014242203022
614555553313020
71505236546461
oct262314770004
967721704613
1023944491012
11a17804a552
124782b65770
1323479625a0
14123210a668
159521c900c
hex59333f004

23944491012 has 48 divisors (see below), whose sum is σ = 60350115392. Its totient is φ = 7345261440.

The previous prime is 23944490989. The next prime is 23944491019. The reversal of 23944491012 is 21019444932.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (23944491019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180223 + ... + 283494.

Almost surely, 223944491012 is an apocalyptic number.

It is an amenable number.

23944491012 is an abundant number, since it is smaller than the sum of its proper divisors (36405624380).

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

23944491012 is a wasteful number, since it uses less digits than its factorization.

23944491012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464068 (or 464066 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 23944491012 in words is "twenty-three billion, nine hundred forty-four million, four hundred ninety-one thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 331 662 993 1324 1986 3972 4303 8606 12909 17212 25818 51636 463717 927434 1391151 1854868 2782302 5564604 6028321 12056642 18084963 24113284 36169926 72339852 153490327 306980654 460470981 613961308 920941962 1841883924 1995374251 3990748502 5986122753 7981497004 11972245506 23944491012