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7812282268013 is a prime number
BaseRepresentation
bin111000110101111000001…
…0011110011100101101101
31000122211212101100120122012
41301223300103303211231
52010444023230034023
624340525105331005
71434263431423616
oct161536023634555
930584771316565
107812282268013
112542196746863
12a620a5636a65
134489060695c2
141d018b894c0d
15d8336e1b978
hex71af04f396d

7812282268013 has 2 divisors, whose sum is σ = 7812282268014. Its totient is φ = 7812282268012.

The previous prime is 7812282268003. The next prime is 7812282268019. The reversal of 7812282268013 is 3108622822187.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7800552944809 + 11729323204 = 2792947^2 + 108302^2 .

It is a cyclic number.

It is not a de Polignac number, because 7812282268013 - 212 = 7812282263917 is a prime.

It is a super-2 number, since 2×78122822680132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7812282268019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3906141134006 + 3906141134007.

It is an arithmetic number, because the mean of its divisors is an integer number (3906141134007).

Almost surely, 27812282268013 is an apocalyptic number.

It is an amenable number.

7812282268013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7812282268013 is an equidigital number, since it uses as much as digits as its factorization.

7812282268013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 7812282268013 in words is "seven trillion, eight hundred twelve billion, two hundred eighty-two million, two hundred sixty-eight thousand, thirteen".