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23213320103 = 72731930289
BaseRepresentation
bin10101100111100111…
…110010011110100111
32012220202221211202102
4111213213302132213
5340020102220403
614355234002315
71451150652041
oct254747623647
965822854672
1023213320103
11993234aa76
1245ba11639b
13225c32b28c
1411a2d7aa91
1590cdeab88
hex5679f27a7

23213320103 has 4 divisors (see below), whose sum is σ = 23245251120. Its totient is φ = 23181389088.

The previous prime is 23213320057. The next prime is 23213320121. The reversal of 23213320103 is 30102331232.

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 23213320103 - 216 = 23213254567 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 (23213320183) 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, 15964418 + ... + 15965871.

It is an arithmetic number, because the mean of its divisors is an integer number (5811312780).

Almost surely, 223213320103 is an apocalyptic number.

23213320103 is a deficient number, since it is larger than the sum of its proper divisors (31931017).

23213320103 is an equidigital number, since it uses as much as digits as its factorization.

23213320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31931016.

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

Adding to 23213320103 its reverse (30102331232), we get a palindrome (53315651335).

The spelling of 23213320103 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty thousand, one hundred three".

Divisors: 1 727 31930289 23213320103