Search a number
-
+
12223330432 = 27138169149
BaseRepresentation
bin10110110001001000…
…10011100010000000
31011112212100112002221
423120210103202000
5200013133033212
65340524220424
7611622410605
oct133044234200
934485315087
1012223330432
11520282a085
12245169a714
1311ca4ca101
1483d5546ac
154b8187807
hex2d8913880

12223330432 has 32 divisors (see below), whose sum is σ = 24369151500. Its totient is φ = 6107151360.

The previous prime is 12223330421. The next prime is 12223330447. The reversal of 12223330432 is 23403332221.

It can be written as a sum of positive squares in 2 ways, for example, as 12112323136 + 111007296 = 110056^2 + 10536^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12223330397 and 12223330406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142194 + ... + 211342.

Almost surely, 212223330432 is an apocalyptic number.

It is an amenable number.

12223330432 is a deficient number, since it is larger than the sum of its proper divisors (12145821068).

12223330432 is an equidigital number, since it uses as much as digits as its factorization.

12223330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70544 (or 70532 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 12223330432 its reverse (23403332221), we get a palindrome (35626662653).

The spelling of 12223330432 in words is "twelve billion, two hundred twenty-three million, three hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 1381 2762 5524 11048 22096 44192 69149 88384 138298 176768 276596 553192 1106384 2212768 4425536 8851072 95494769 190989538 381979076 763958152 1527916304 3055832608 6111665216 12223330432