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8680619974 = 213477103617
BaseRepresentation
bin10000001010110011…
…11011111111000110
3211101222010011222111
420011121323333012
5120234214314344
63553211451234
7425054023645
oct100531737706
924358104874
108680619974
113754a902a4
121823156b1a
13a84558330
145c4c3935c
1535c140834
hex20567bfc6

8680619974 has 16 divisors (see below), whose sum is σ = 14320893888. Its totient is φ = 3921196032.

The previous prime is 8680619939. The next prime is 8680620007. The reversal of 8680619974 is 4799160868.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3550587 + ... + 3553030.

It is an arithmetic number, because the mean of its divisors is an integer number (895055868).

Almost surely, 28680619974 is an apocalyptic number.

8680619974 is a deficient number, since it is larger than the sum of its proper divisors (5640273914).

8680619974 is a wasteful number, since it uses less digits than its factorization.

8680619974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103679.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 8680619974 is about 93169.8447674997. The cubic root of 8680619974 is about 2055.1818124216.

The spelling of 8680619974 in words is "eight billion, six hundred eighty million, six hundred nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 13 26 47 94 611 1222 7103617 14207234 92347021 184694042 333869999 667739998 4340309987 8680619974