Search a number
-
+
23501004252 = 22311431413081
BaseRepresentation
bin10101111000110001…
…001101110111011100
32020122211021201012220
4111320301031313130
5341112224114002
614443552025340
71461243145245
oct257061156734
966584251186
1023501004252
119a6a782370
12467a532250
1322a6b0639b
1411cd265ccc
159282c57bc
hex578c4dddc

23501004252 has 48 divisors (see below), whose sum is σ = 59959678464. Its totient is φ = 7104976000.

The previous prime is 23501004223. The next prime is 23501004277. The reversal of 23501004252 is 25240010532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149649 + ... + 263432.

It is an arithmetic number, because the mean of its divisors is an integer number (1249159968).

Almost surely, 223501004252 is an apocalyptic number.

23501004252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23501004252 is an abundant number, since it is smaller than the sum of its proper divisors (36458674212).

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

23501004252 is a wasteful number, since it uses less digits than its factorization.

23501004252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413530 (or 413528 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 23501004252 its reverse (25240010532), we get a palindrome (48741014784).

The spelling of 23501004252 in words is "twenty-three billion, five hundred one million, four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 431 862 1293 1724 2586 4741 5172 9482 14223 18964 28446 56892 413081 826162 1239243 1652324 2478486 4543891 4956972 9087782 13631673 18175564 27263346 54526692 178037911 356075822 534113733 712151644 1068227466 1958417021 2136454932 3916834042 5875251063 7833668084 11750502126 23501004252