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23212316753 = 13721236737
BaseRepresentation
bin10101100111100011…
…111101100001010001
32012220201001212102022
4111213203331201101
5340014323114003
614355200301225
71451136302603
oct254743754121
965821055368
1023212316753
11993182515a
1245b9911815
13225c069692
1411a2b99173
1590cc9d738
hex5678fd851

23212316753 has 6 divisors (see below), whose sum is σ = 23383005366. Its totient is φ = 23042865152.

The previous prime is 23212316737. The next prime is 23212316759. The reversal of 23212316753 is 35761321232.

It can be written as a sum of positive squares in 3 ways, for example, as 7788415504 + 15423901249 = 88252^2 + 124193^2 .

It is not a de Polignac number, because 23212316753 - 24 = 23212316737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212316759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 599600 + ... + 637137.

It is an arithmetic number, because the mean of its divisors is an integer number (3897167561).

Almost surely, 223212316753 is an apocalyptic number.

It is an amenable number.

23212316753 is a deficient number, since it is larger than the sum of its proper divisors (170688613).

23212316753 is an equidigital number, since it uses as much as digits as its factorization.

23212316753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237011 (or 1236874 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

Adding to 23212316753 its reverse (35761321232), we get a palindrome (58973637985).

The spelling of 23212316753 in words is "twenty-three billion, two hundred twelve million, three hundred sixteen thousand, seven hundred fifty-three".

Divisors: 1 137 18769 1236737 169432969 23212316753