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23202220321 = 710529314807
BaseRepresentation
bin10101100110111101…
…011100100100100001
32012220000001220201101
4111212331130210201
5340004232022241
614354200034401
71450654422130
oct254675344441
965800056641
1023202220321
1199270595a5
1245b6462a01
132259c42c67
1411a16cb917
1590be56e31
hex566f5c921

23202220321 has 8 divisors (see below), whose sum is σ = 26519425920. Its totient is φ = 19885665408.

The previous prime is 23202220303. The next prime is 23202220331. The reversal of 23202220321 is 12302220232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23202220321 - 213 = 23202212129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23202220331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83701 + ... + 231106.

It is an arithmetic number, because the mean of its divisors is an integer number (3314928240).

Almost surely, 223202220321 is an apocalyptic number.

It is an amenable number.

23202220321 is a deficient number, since it is larger than the sum of its proper divisors (3317205599).

23202220321 is a wasteful number, since it uses less digits than its factorization.

23202220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325343.

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

Adding to 23202220321 its reverse (12302220232), we get a palindrome (35504440553).

The spelling of 23202220321 in words is "twenty-three billion, two hundred two million, two hundred twenty thousand, three hundred twenty-one".

Divisors: 1 7 10529 73703 314807 2203649 3314602903 23202220321