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6850237861 is a prime number
BaseRepresentation
bin1100110000100111…
…00101010110100101
3122200101221010202101
412120103211112211
5103012130102421
63051424212101
7331520026645
oct63023452645
918611833671
106850237861
1129a5865105
1213b216a031
1385228b3ac
1448dad4525
152a15d5191
hex1984e55a5

6850237861 has 2 divisors, whose sum is σ = 6850237862. Its totient is φ = 6850237860.

The previous prime is 6850237853. The next prime is 6850237883. The reversal of 6850237861 is 1687320586.

6850237861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5242628836 + 1607609025 = 72406^2 + 40095^2 .

It is a cyclic number.

It is not a de Polignac number, because 6850237861 - 23 = 6850237853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6850247861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425118930 + 3425118931.

It is an arithmetic number, because the mean of its divisors is an integer number (3425118931).

Almost surely, 26850237861 is an apocalyptic number.

It is an amenable number.

6850237861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850237861 is an equidigital number, since it uses as much as digits as its factorization.

6850237861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 6850237861 is about 82766.1637446124. The cubic root of 6850237861 is about 1899.1905934661.

The spelling of 6850237861 in words is "six billion, eight hundred fifty million, two hundred thirty-seven thousand, eight hundred sixty-one".