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6897283138279 is a prime number
BaseRepresentation
bin110010001011110011000…
…0111001000001011100111
3220102101002112001202111101
41210113212013020023213
51401001113440411104
622400322414420531
71311212051230102
oct144274607101347
926371075052441
106897283138279
11221a137579886
129348a6201747
133b0545caa601
1419bb8a433739
15be632bed5a4
hex645e61c82e7

6897283138279 has 2 divisors, whose sum is σ = 6897283138280. Its totient is φ = 6897283138278.

The previous prime is 6897283138219. The next prime is 6897283138283. The reversal of 6897283138279 is 9728313827986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6897283138279 - 221 = 6897281041127 is a prime.

It is a super-2 number, since 2×68972831382792 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6897283138219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448641569139 + 3448641569140.

It is an arithmetic number, because the mean of its divisors is an integer number (3448641569140).

Almost surely, 26897283138279 is an apocalyptic number.

6897283138279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897283138279 is an equidigital number, since it uses as much as digits as its factorization.

6897283138279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 438939648, while the sum is 73.

The spelling of 6897283138279 in words is "six trillion, eight hundred ninety-seven billion, two hundred eighty-three million, one hundred thirty-eight thousand, two hundred seventy-nine".