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23330021032013 = 39393159223623
BaseRepresentation
bin1010100110111111100011…
…00111011100000001001101
310001121022212021112020201112
411103133301213130001031
511024214340341011023
6121341355205421405
74625352445535123
oct523376147340115
9101538767466645
1023330021032013
11748522a729773
122749620a0a865
13100301c48c6b7
145a9271417913
152a6d02669478
hex1537f19dc04d

23330021032013 has 4 divisors (see below), whose sum is σ = 23330080649568. Its totient is φ = 23329961414460.

The previous prime is 23330021032009. The next prime is 23330021032033. The reversal of 23330021032013 is 31023012003332.

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 23330021032013 - 22 = 23330021032009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23330021032013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330021032033) 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, 29217881 + ... + 30005742.

It is an arithmetic number, because the mean of its divisors is an integer number (5832520162392).

Almost surely, 223330021032013 is an apocalyptic number.

It is an amenable number.

23330021032013 is a deficient number, since it is larger than the sum of its proper divisors (59617555).

23330021032013 is an equidigital number, since it uses as much as digits as its factorization.

23330021032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59617554.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23330021032013 its reverse (31023012003332), we get a palindrome (54353033035345).

The spelling of 23330021032013 in words is "twenty-three trillion, three hundred thirty billion, twenty-one million, thirty-two thousand, thirteen".

Divisors: 1 393931 59223623 23330021032013