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13012224323 = 71858889189
BaseRepresentation
bin11000001111001011…
…01100100101000011
31020120211210111002012
430013211230211003
5203122112134243
65551105043135
7640312040030
oct140745544503
936524714065
1013012224323
1155780747aa
1226319264ab
1312c4a91b27
148b622c387
15512568d18
hex30796c943

13012224323 has 4 divisors (see below), whose sum is σ = 14871113520. Its totient is φ = 11153335128.

The previous prime is 13012224319. The next prime is 13012224331. The reversal of 13012224323 is 32342221031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13012224323 - 22 = 13012224319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012224353) 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, 929444588 + ... + 929444601.

It is an arithmetic number, because the mean of its divisors is an integer number (3717778380).

Almost surely, 213012224323 is an apocalyptic number.

13012224323 is a deficient number, since it is larger than the sum of its proper divisors (1858889197).

13012224323 is an equidigital number, since it uses as much as digits as its factorization.

13012224323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858889196.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13012224323 its reverse (32342221031), we get a palindrome (45354445354).

The spelling of 13012224323 in words is "thirteen billion, twelve million, two hundred twenty-four thousand, three hundred twenty-three".

Divisors: 1 7 1858889189 13012224323