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2680646231 is a prime number
BaseRepresentation
bin1001111111000111…
…0110101001010111
320220211002221022202
42133301312221113
520442221134411
61121555315115
7123300055064
oct23761665127
96824087282
102680646231
11115617820a
126298aba9b
1333949b503
141b6035c6b
1510a51083b
hex9fc76a57

2680646231 has 2 divisors, whose sum is σ = 2680646232. Its totient is φ = 2680646230.

The previous prime is 2680646219. The next prime is 2680646261. The reversal of 2680646231 is 1326460862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2680646231 - 218 = 2680384087 is a prime.

It is a super-2 number, since 2×26806462312 = 14371728431549010722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680646201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340323115 + 1340323116.

It is an arithmetic number, because the mean of its divisors is an integer number (1340323116).

Almost surely, 22680646231 is an apocalyptic number.

2680646231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680646231 is an equidigital number, since it uses as much as digits as its factorization.

2680646231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2680646231 is about 51774.9575663757. The cubic root of 2680646231 is about 1389.1415486773.

It can be divided in two parts, 26806 and 46231, that added together give a palindrome (73037).

The spelling of 2680646231 in words is "two billion, six hundred eighty million, six hundred forty-six thousand, two hundred thirty-one".