Search a number
-
+
12630443526 = 2325997122609
BaseRepresentation
bin10111100001101010…
…10100011000000110
31012121020102000021200
423300311110120012
5201331343143101
65445150123330
7624664666341
oct136065243006
935536360250
1012630443526
1153a1613188
122545ab0546
13126395c22c
1487b64b458
154ddca3986
hex2f0d54606

12630443526 has 48 divisors (see below), whose sum is σ = 28116925200. Its totient is φ = 4096088064.

The previous prime is 12630443521. The next prime is 12630443533. The reversal of 12630443526 is 62534403621.

12630443526 is a `hidden beast` number, since 1 + 263 + 0 + 44 + 352 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630443521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41710 + ... + 164318.

It is an arithmetic number, because the mean of its divisors is an integer number (585769275).

Almost surely, 212630443526 is an apocalyptic number.

12630443526 is an abundant number, since it is smaller than the sum of its proper divisors (15486481674).

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

12630443526 is a wasteful number, since it uses less digits than its factorization.

12630443526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122773 (or 122770 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 12630443526 in words is "twelve billion, six hundred thirty million, four hundred forty-three thousand, five hundred twenty-six".

Divisors: 1 2 3 6 9 18 59 97 118 177 194 291 354 531 582 873 1062 1746 5723 11446 17169 34338 51507 103014 122609 245218 367827 735654 1103481 2206962 7233931 11893073 14467862 21701793 23786146 35679219 43403586 65105379 71358438 107037657 130210758 214075314 701691307 1403382614 2105073921 4210147842 6315221763 12630443526