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12443234404 = 2217940942491
BaseRepresentation
bin10111001011010110…
…01011000001100100
31012010012010210122111
423211223023001210
5200440432000104
65414421410404
7620232514216
oct134553130144
935105123574
1012443234404
1153059771a7
1224b3269a04
131233c32bc3
148608385b6
154cc624404
hex2e5acb064

12443234404 has 24 divisors (see below), whose sum is σ = 21951367200. Its totient is φ = 6171587520.

The previous prime is 12443234383. The next prime is 12443234407. The reversal of 12443234404 is 40443234421.

It is not an unprimeable number, because it can be changed into a prime (12443234407) 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, 271599 + ... + 314089.

It is an arithmetic number, because the mean of its divisors is an integer number (914640300).

Almost surely, 212443234404 is an apocalyptic number.

It is an amenable number.

12443234404 is a deficient number, since it is larger than the sum of its proper divisors (9508132796).

12443234404 is a wasteful number, since it uses less digits than its factorization.

12443234404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43083 (or 43081 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 12443234404 its reverse (40443234421), we get a palindrome (52886468825).

The spelling of 12443234404 in words is "twelve billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred four".

Divisors: 1 2 4 179 358 409 716 818 1636 42491 73211 84982 146422 169964 292844 7605889 15211778 17378819 30423556 34757638 69515276 3110808601 6221617202 12443234404