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1232223013 = 7176031859
BaseRepresentation
bin100100101110010…
…0011101100100101
310011212122102012101
41021130203230211
510010422114023
6322134452101
742351502630
oct11134435445
93155572171
101232223013
1158261542a
122a4804031
13168397258
14b991ac17
15732a31ad
hex49723b25

1232223013 has 4 divisors (see below), whose sum is σ = 1408254880. Its totient is φ = 1056191148.

The previous prime is 1232223001. The next prime is 1232223037. The reversal of 1232223013 is 3103222321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232223013 - 221 = 1230125861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232223043) 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, 88015923 + ... + 88015936.

It is an arithmetic number, because the mean of its divisors is an integer number (352063720).

Almost surely, 21232223013 is an apocalyptic number.

It is an amenable number.

1232223013 is a deficient number, since it is larger than the sum of its proper divisors (176031867).

1232223013 is an equidigital number, since it uses as much as digits as its factorization.

1232223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176031866.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232223013 is about 35103.0342420709. The cubic root of 1232223013 is about 1072.0863630230.

Adding to 1232223013 its reverse (3103222321), we get a palindrome (4335445334).

The spelling of 1232223013 in words is "one billion, two hundred thirty-two million, two hundred twenty-three thousand, thirteen".

Divisors: 1 7 176031859 1232223013