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6806748068 = 223745991541
BaseRepresentation
bin1100101011011011…
…01011101110100100
3122120101002121222022
412111231223232210
5102420011414233
63043232122312
7330451255361
oct62555535644
918511077868
106806748068
11298326062a
12139b696398
138462722a3
14488013468
1529c894398
hex195b6bba4

6806748068 has 12 divisors (see below), whose sum is σ = 12233750172. Its totient is φ = 3311390880.

The previous prime is 6806748029. The next prime is 6806748073. The reversal of 6806748068 is 8608476086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6330111844 + 476636224 = 79562^2 + 21832^2 .

It is a super-2 number, since 2×68067480682 = 92663638522443465248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22995623 + ... + 22995918.

It is an arithmetic number, because the mean of its divisors is an integer number (1019479181).

Almost surely, 26806748068 is an apocalyptic number.

It is an amenable number.

6806748068 is a deficient number, since it is larger than the sum of its proper divisors (5427002104).

6806748068 is a wasteful number, since it uses less digits than its factorization.

6806748068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45991582 (or 45991580 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The square root of 6806748068 is about 82503.0185387177. The cubic root of 6806748068 is about 1895.1629564476.

The spelling of 6806748068 in words is "six billion, eight hundred six million, seven hundred forty-eight thousand, sixty-eight".

Divisors: 1 2 4 37 74 148 45991541 91983082 183966164 1701687017 3403374034 6806748068