Search a number
-
+
12443214112 = 257103539321
BaseRepresentation
bin10111001011010110…
…00110000100100000
31012010012002202210221
423211223012010200
5200440430322422
65414421132424
7620232401110
oct134553060440
935105082727
1012443214112
115305962a2a
1224b325a114
131233c268b4
14860831040
154cc61d3c7
hex2e5ac6120

12443214112 has 48 divisors (see below), whose sum is σ = 28269101952. Its totient is φ = 5281021440.

The previous prime is 12443214109. The next prime is 12443214163. The reversal of 12443214112 is 21141234421.

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, 246589 + ... + 292732.

It is an arithmetic number, because the mean of its divisors is an integer number (588939624).

Almost surely, 212443214112 is an apocalyptic number.

It is an amenable number.

12443214112 is an abundant number, since it is smaller than the sum of its proper divisors (15825887840).

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

12443214112 is a wasteful number, since it uses less digits than its factorization.

12443214112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539441 (or 539433 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12443214112 its reverse (21141234421), we get a palindrome (33584448533).

The spelling of 12443214112 in words is "twelve billion, four hundred forty-three million, two hundred fourteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 103 112 206 224 412 721 824 1442 1648 2884 3296 5768 11536 23072 539321 1078642 2157284 3775247 4314568 7550494 8629136 15100988 17258272 30201976 55550063 60403952 111100126 120807904 222200252 388850441 444400504 777700882 888801008 1555401764 1777602016 3110803528 6221607056 12443214112