Search a number
-
+
12228877356 = 2231953635427
BaseRepresentation
bin10110110001110010…
…11101110000101100
31011120020210100001120
423120321131300230
5200021043033411
65341243140540
7612020512443
oct133071356054
934506710046
1012228877356
115205978613
122453514750
1311cb6bcb07
14840199d5a
154b88d1106
hex2d8e5dc2c

12228877356 has 24 divisors (see below), whose sum is σ = 30035839680. Its totient is φ = 3861750672.

The previous prime is 12228877327. The next prime is 12228877391. The reversal of 12228877356 is 65377882221.

It is a junction number, because it is equal to n+sod(n) for n = 12228877299 and 12228877308.

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, 26817486 + ... + 26817941.

It is an arithmetic number, because the mean of its divisors is an integer number (1251493320).

Almost surely, 212228877356 is an apocalyptic number.

It is an amenable number.

12228877356 is an abundant number, since it is smaller than the sum of its proper divisors (17806962324).

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

12228877356 is a wasteful number, since it uses less digits than its factorization.

12228877356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53635453 (or 53635451 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 12228877356 in words is "twelve billion, two hundred twenty-eight million, eight hundred seventy-seven thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 53635427 107270854 160906281 214541708 321812562 643625124 1019073113 2038146226 3057219339 4076292452 6114438678 12228877356