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2271900789313 is a prime number
BaseRepresentation
bin100001000011110111110…
…101101110101001000001
322001012011200011002002021
4201003313311232221001
5244210323100224223
64455410302321441
7323065551036361
oct41036765565101
98035150132067
102271900789313
117a6564849211
12308386b89281
13136315a49a9c
147bd63bb89a1
153e16d87965d
hex210f7d6ea41

2271900789313 has 2 divisors, whose sum is σ = 2271900789314. Its totient is φ = 2271900789312.

The previous prime is 2271900789289. The next prime is 2271900789331. The reversal of 2271900789313 is 3139870091722.

2271900789313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2271900789331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1703252077569 + 568648711744 = 1305087^2 + 754088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2271900789313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2271900789373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135950394656 + 1135950394657.

It is an arithmetic number, because the mean of its divisors is an integer number (1135950394657).

Almost surely, 22271900789313 is an apocalyptic number.

It is an amenable number.

2271900789313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271900789313 is an equidigital number, since it uses as much as digits as its factorization.

2271900789313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 2271900789313 in words is "two trillion, two hundred seventy-one billion, nine hundred million, seven hundred eighty-nine thousand, three hundred thirteen".