Search a number
-
+
12223542643 = 131376863303
BaseRepresentation
bin10110110001001010…
…00111010101110011
31011112212202022012121
423120211013111303
5200013211331033
65340532535111
7611624253364
oct133045072563
934485668177
1012223542643
115202964564
122451781497
1311ca572890
1483d5abb6b
154b81ca62d
hex2d8947573

12223542643 has 8 divisors (see below), whose sum is σ = 13259903328. Its totient is φ = 11200908864.

The previous prime is 12223542599. The next prime is 12223542647. The reversal of 12223542643 is 34624532221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12223542643 - 29 = 12223542131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223542599 and 12223542608.

It is not an unprimeable number, because it can be changed into a prime (12223542647) 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, 3429871 + ... + 3433432.

It is an arithmetic number, because the mean of its divisors is an integer number (1657487916).

Almost surely, 212223542643 is an apocalyptic number.

12223542643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12223542643 is a deficient number, since it is larger than the sum of its proper divisors (1036360685).

12223542643 is a wasteful number, since it uses less digits than its factorization.

12223542643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863453.

The product of its digits is 69120, while the sum is 34.

The spelling of 12223542643 in words is "twelve billion, two hundred twenty-three million, five hundred forty-two thousand, six hundred forty-three".

Divisors: 1 13 137 1781 6863303 89222939 940272511 12223542643