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972055026881 is a prime number
BaseRepresentation
bin11100010010100101111…
…11101001110011000001
310102221001012000201000122
432021102333221303001
5111411232041330011
62022320024430025
7130141300254131
oct16112277516301
93387035021018
10972055026881
113452787a2a94
12138483318315
13708838a62a3
1435094cdcac1
151a44326e3db
hexe252fe9cc1

972055026881 has 2 divisors, whose sum is σ = 972055026882. Its totient is φ = 972055026880.

The previous prime is 972055026827. The next prime is 972055026883. The reversal of 972055026881 is 188620550279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846869265025 + 125185761856 = 920255^2 + 353816^2 .

It is a cyclic number.

It is not a de Polignac number, because 972055026881 - 238 = 697177119937 is a prime.

It is a super-2 number, since 2×9720550268812 (a number of 25 digits) contains 22 as substring.

Together with 972055026883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (972055026883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486027513440 + 486027513441.

It is an arithmetic number, because the mean of its divisors is an integer number (486027513441).

Almost surely, 2972055026881 is an apocalyptic number.

It is an amenable number.

972055026881 is a deficient number, since it is larger than the sum of its proper divisors (1).

972055026881 is an equidigital number, since it uses as much as digits as its factorization.

972055026881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 972055026881 in words is "nine hundred seventy-two billion, fifty-five million, twenty-six thousand, eight hundred eighty-one".