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23022220213 = 119871920599
BaseRepresentation
bin10101011100001110…
…110011001110110101
32012102110100221222201
4111130032303032311
5334122142021323
614324250024501
71443340433356
oct253416631665
965373327881
1023022220213
119844496883
124566118131
13222b86c015
141185833d2d
158eb24d8ad
hex55c3b33b5

23022220213 has 4 divisors (see below), whose sum is σ = 23024152800. Its totient is φ = 23020287628.

The previous prime is 23022220183. The next prime is 23022220261. The reversal of 23022220213 is 31202222032.

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 23022220213 - 217 = 23022089141 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 (23022220283) 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, 948313 + ... + 972286.

It is an arithmetic number, because the mean of its divisors is an integer number (5756038200).

Almost surely, 223022220213 is an apocalyptic number.

It is an amenable number.

23022220213 is a deficient number, since it is larger than the sum of its proper divisors (1932587).

23022220213 is a wasteful number, since it uses less digits than its factorization.

23022220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932586.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23022220213 its reverse (31202222032), we get a palindrome (54224442245).

The spelling of 23022220213 in words is "twenty-three billion, twenty-two million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 11987 1920599 23022220213