Search a number
-
+
12853446344 = 231984562147
BaseRepresentation
bin10111111100010000…
…00000011011001000
31020011210000201122022
423332020000123020
5202310440240334
65523233544012
7633343330334
oct137610003310
936153021568
1012853446344
1154a6487532
1225a8715008
13129ac0b66b
1489d0da7c4
1550365382e
hex2fe2006c8

12853446344 has 16 divisors (see below), whose sum is σ = 25368644400. Its totient is φ = 6088474512.

The previous prime is 12853446329. The next prime is 12853446349. The reversal of 12853446344 is 44364435821.

It is a super-2 number, since 2×128534463442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12853446295 and 12853446304.

It is not an unprimeable number, because it can be changed into a prime (12853446349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42280922 + ... + 42281225.

It is an arithmetic number, because the mean of its divisors is an integer number (1585540275).

Almost surely, 212853446344 is an apocalyptic number.

It is an amenable number.

12853446344 is a deficient number, since it is larger than the sum of its proper divisors (12515198056).

12853446344 is a wasteful number, since it uses less digits than its factorization.

12853446344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84562172 (or 84562168 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 12853446344 in words is "twelve billion, eight hundred fifty-three million, four hundred forty-six thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 84562147 169124294 338248588 676497176 1606680793 3213361586 6426723172 12853446344