Search a number
-
+
12253115660 = 225976316039
BaseRepresentation
bin10110110100101011…
…11011010100001100
31011121221101202202112
423122111323110030
5200043244200120
65343510443152
7612433523162
oct133225732414
934557352675
1012253115660
115218623175
12245b6634b8
1312037283c6
148434a9232
154baabcbc5
hex2da57b50c

12253115660 has 24 divisors (see below), whose sum is σ = 25996820640. Its totient is φ = 4850717184.

The previous prime is 12253115659. The next prime is 12253115669. The reversal of 12253115660 is 6651135221.

It is not an unprimeable number, because it can be changed into a prime (12253115669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3156080 + ... + 3159959.

It is an arithmetic number, because the mean of its divisors is an integer number (1083200860).

Almost surely, 212253115660 is an apocalyptic number.

12253115660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253115660 is an abundant number, since it is smaller than the sum of its proper divisors (13743704980).

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

12253115660 is a wasteful number, since it uses less digits than its factorization.

12253115660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316145 (or 6316143 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 12253115660 in words is "twelve billion, two hundred fifty-three million, one hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 6316039 12632078 25264156 31580195 63160390 126320780 612655783 1225311566 2450623132 3063278915 6126557830 12253115660