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6880671608849 is a prime number
BaseRepresentation
bin110010000100000011111…
…1111001011000000010001
3220100210012211112122000122
41210020013333023000101
51400213103412440344
622344534212000025
71310053312451123
oct144100777130021
926323184478018
106880671608849
112213092820965
1293162b000015
133abac961ca5c
1419b052197213
15bdeae6adaee
hex64207fcb011

6880671608849 has 2 divisors, whose sum is σ = 6880671608850. Its totient is φ = 6880671608848.

The previous prime is 6880671608827. The next prime is 6880671608879. The reversal of 6880671608849 is 9488061760886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6858192004225 + 22479604624 = 2618815^2 + 149932^2 .

It is a cyclic number.

It is not a de Polignac number, because 6880671608849 - 240 = 5781159981073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6880671608879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440335804424 + 3440335804425.

It is an arithmetic number, because the mean of its divisors is an integer number (3440335804425).

Almost surely, 26880671608849 is an apocalyptic number.

It is an amenable number.

6880671608849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880671608849 is an equidigital number, since it uses as much as digits as its factorization.

6880671608849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222953472, while the sum is 71.

The spelling of 6880671608849 in words is "six trillion, eight hundred eighty billion, six hundred seventy-one million, six hundred eight thousand, eight hundred forty-nine".