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6706892257 = 13239685753
BaseRepresentation
bin1100011111100001…
…10000110111100001
3122022102012102112221
412033300300313201
5102213431023012
63025303551041
7325126433512
oct61760606741
918272172487
106706892257
11293195846a
12137215b481
1382b67c300
14478a5ca09
15293c1c507
hex18fc30de1

6706892257 has 6 divisors (see below), whose sum is σ = 7262492982. Its totient is φ = 6190977312.

The previous prime is 6706892239. The next prime is 6706892351. The reversal of 6706892257 is 7522986076.

It can be written as a sum of positive squares in 3 ways, for example, as 953821456 + 5753070801 = 30884^2 + 75849^2 .

It is not a de Polignac number, because 6706892257 - 223 = 6698503649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6706892237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19842708 + ... + 19843045.

It is an arithmetic number, because the mean of its divisors is an integer number (1210415497).

Almost surely, 26706892257 is an apocalyptic number.

It is an amenable number.

6706892257 is a deficient number, since it is larger than the sum of its proper divisors (555600725).

6706892257 is a wasteful number, since it uses less digits than its factorization.

6706892257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39685779 (or 39685766 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 6706892257 is about 81895.6180573784. The cubic root of 6706892257 is about 1885.8498427167.

The spelling of 6706892257 in words is "six billion, seven hundred six million, eight hundred ninety-two thousand, two hundred fifty-seven".

Divisors: 1 13 169 39685753 515914789 6706892257