Search a number
-
+
12522797282 = 253214932
BaseRepresentation
bin10111010100110101…
…01011100011100010
31012022201212000101202
423222122223203202
5201121314003112
65430343001202
7622220010032
oct135232534342
935281760352
1012522797282
115346879a46
122515a39202
13124756c328
1486b2298c2
154d45dd6c2
hex2ea6ab8e2

12522797282 has 18 divisors (see below), whose sum is σ = 19158133827. Its totient is φ = 6139144336.

The previous prime is 12522797279. The next prime is 12522797369. The reversal of 12522797282 is 28279722521.

It can be written as a sum of positive squares in 5 ways, for example, as 12294152641 + 228644641 = 110879^2 + 15121^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=79129.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8386928 + ... + 8388420.

Almost surely, 212522797282 is an apocalyptic number.

12522797282 is a deficient number, since it is larger than the sum of its proper divisors (6635336545).

12522797282 is an frugal number, since it uses more digits than its factorization.

12522797282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094 (or 1548 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 12522797282 in words is "twelve billion, five hundred twenty-two million, seven hundred ninety-seven thousand, two hundred eighty-two".

Divisors: 1 2 53 106 1493 2809 2986 5618 79129 158258 2229049 4193837 4458098 8387674 118139597 236279194 6261398641 12522797282