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12428246682 = 232690458149
BaseRepresentation
bin10111001001100011…
…11111111010011010
31012002010221100100200
423210301333322122
5200423112343212
65413124243030
7616661232225
oct134461777232
935063840320
1012428246682
1152a846a755
1224aa240476
131230ab6027
1485c8565bc
154cb1636dc
hex2e4c7fe9a

12428246682 has 12 divisors (see below), whose sum is σ = 26927867850. Its totient is φ = 4142748888.

The previous prime is 12428246681. The next prime is 12428246687. The reversal of 12428246682 is 28664282421.

It can be written as a sum of positive squares in only one way, i.e., 9615959721 + 2812286961 = 98061^2 + 53031^2 .

It is a super-2 number, since 2×124282466822 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12428246681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345229057 + ... + 345229092.

Almost surely, 212428246682 is an apocalyptic number.

12428246682 is an abundant number, since it is smaller than the sum of its proper divisors (14499621168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12428246682 is a wasteful number, since it uses less digits than its factorization.

12428246682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690458157 (or 690458154 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The spelling of 12428246682 in words is "twelve billion, four hundred twenty-eight million, two hundred forty-six thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 690458149 1380916298 2071374447 4142748894 6214123341 12428246682