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6694830290 = 25669483029
BaseRepresentation
bin1100011110000101…
…10000000011010010
3122021120111121122102
412033002300003102
5102202334032130
63024153240402
7324622055441
oct61702600322
918246447572
106694830290
11292606a0a5
12136a103102
13829018055
144771dcd58
15292b38645
hex18f0b00d2

6694830290 has 8 divisors (see below), whose sum is σ = 12050694540. Its totient is φ = 2677932112.

The previous prime is 6694830287. The next prime is 6694830313. The reversal of 6694830290 is 920384966.

It can be written as a sum of positive squares in 2 ways, for example, as 6537854449 + 156975841 = 80857^2 + 12529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66948302902 = 89641505223802968200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334741505 + ... + 334741524.

Almost surely, 26694830290 is an apocalyptic number.

6694830290 is a deficient number, since it is larger than the sum of its proper divisors (5355864250).

6694830290 is a wasteful number, since it uses less digits than its factorization.

6694830290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669483036.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 6694830290 is about 81821.9425948810. The cubic root of 6694830290 is about 1884.7186328223.

The spelling of 6694830290 in words is "six billion, six hundred ninety-four million, eight hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 669483029 1338966058 3347415145 6694830290