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6980851357 is a prime number
BaseRepresentation
bin1101000000001011…
…10101011010011101
3200000111200222210021
412200011311122131
5103244044220412
63112411512141
7334664154214
oct64005653235
920014628707
106980851357
112a62565a47
121429a58651
1387336019c
144a31b407b
152accd5607
hex1a017569d

6980851357 has 2 divisors, whose sum is σ = 6980851358. Its totient is φ = 6980851356.

The previous prime is 6980851349. The next prime is 6980851363. The reversal of 6980851357 is 7531580896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5901466041 + 1079385316 = 76821^2 + 32854^2 .

It is a cyclic number.

It is not a de Polignac number, because 6980851357 - 23 = 6980851349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6980851057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490425678 + 3490425679.

It is an arithmetic number, because the mean of its divisors is an integer number (3490425679).

Almost surely, 26980851357 is an apocalyptic number.

It is an amenable number.

6980851357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980851357 is an equidigital number, since it uses as much as digits as its factorization.

6980851357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 6980851357 is about 83551.4892566255. The cubic root of 6980851357 is about 1911.1853023965.

The spelling of 6980851357 in words is "six billion, nine hundred eighty million, eight hundred fifty-one thousand, three hundred fifty-seven".