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23140330013 = 41564398293
BaseRepresentation
bin10101100011010001…
…010110101000011101
32012201200121120011202
4111203101112220131
5334342411030023
614344105325245
71446303362663
oct254321265035
965650546152
1023140330013
1198a5127489
124599796825
13224a183788
1411973bac33
159067ce128
hex563456a1d

23140330013 has 4 divisors (see below), whose sum is σ = 23704728348. Its totient is φ = 22575931680.

The previous prime is 23140329983. The next prime is 23140330027. The reversal of 23140330013 is 31003304132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 463885444 + 22676444569 = 21538^2 + 150587^2 .

It is not a de Polignac number, because 23140330013 - 28 = 23140329757 is a prime.

It is a super-2 number, since 2×231403300132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140330043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282199106 + ... + 282199187.

It is an arithmetic number, because the mean of its divisors is an integer number (5926182087).

Almost surely, 223140330013 is an apocalyptic number.

It is an amenable number.

23140330013 is a deficient number, since it is larger than the sum of its proper divisors (564398335).

23140330013 is an equidigital number, since it uses as much as digits as its factorization.

23140330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564398334.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23140330013 its reverse (31003304132), we get a palindrome (54143634145).

The spelling of 23140330013 in words is "twenty-three billion, one hundred forty million, three hundred thirty thousand, thirteen".

Divisors: 1 41 564398293 23140330013