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23030113243 = 97192369597
BaseRepresentation
bin10101011100101100…
…111010001111011011
32012110000012222012011
4111130230322033123
5334131202110433
614325131130351
71443464506204
oct253454721733
965400188164
1023030113243
119848997a45
1245688a39b7
1322303a3857
1411868ca5ab
158ebcac3cd
hex55cb3a3db

23030113243 has 4 divisors (see below), whose sum is σ = 23032492560. Its totient is φ = 23027733928.

The previous prime is 23030113229. The next prime is 23030113261. The reversal of 23030113243 is 34231103032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23030113243 is a prime.

It is a super-2 number, since 2×230301132432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030113283) 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, 1175080 + ... + 1194517.

It is an arithmetic number, because the mean of its divisors is an integer number (5758123140).

Almost surely, 223030113243 is an apocalyptic number.

23030113243 is a deficient number, since it is larger than the sum of its proper divisors (2379317).

23030113243 is an equidigital number, since it uses as much as digits as its factorization.

23030113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379316.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23030113243 its reverse (34231103032), we get a palindrome (57261216275).

The spelling of 23030113243 in words is "twenty-three billion, thirty million, one hundred thirteen thousand, two hundred forty-three".

Divisors: 1 9719 2369597 23030113243