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23222130311 = 59393595429
BaseRepresentation
bin10101101000001001…
…011001011010000111
32012221101112110002102
4111220021121122013
5340024331132221
614400150502315
71451315564552
oct255011313207
965841473072
1023222130311
119937318236
12460106499b
1322610c4413
1411a41d1699
1590da8b30b
hex568259687

23222130311 has 4 divisors (see below), whose sum is σ = 23615725800. Its totient is φ = 22828534824.

The previous prime is 23222130293. The next prime is 23222130331. The reversal of 23222130311 is 11303122232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23222130311 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 (23222130331) 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, 196797656 + ... + 196797773.

It is an arithmetic number, because the mean of its divisors is an integer number (5903931450).

Almost surely, 223222130311 is an apocalyptic number.

23222130311 is a deficient number, since it is larger than the sum of its proper divisors (393595489).

23222130311 is an equidigital number, since it uses as much as digits as its factorization.

23222130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393595488.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23222130311 its reverse (11303122232), we get a palindrome (34525252543).

The spelling of 23222130311 in words is "twenty-three billion, two hundred twenty-two million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 59 393595429 23222130311