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3680808678 = 232204489371
BaseRepresentation
bin1101101101100100…
…1010111011100110
3100111112002110021100
43123121022323212
530014241334203
61405124300530
7160133233431
oct33331127346
910445073240
103680808678
1116197a2048
12868841746
13468764601
1426cbc6818
15168224ea3
hexdb64aee6

3680808678 has 12 divisors (see below), whose sum is σ = 7975085508. Its totient is φ = 1226936220.

The previous prime is 3680808671. The next prime is 3680808679. The reversal of 3680808678 is 8768080863.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680808671) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 102244668 + ... + 102244703.

It is an arithmetic number, because the mean of its divisors is an integer number (664590459).

Almost surely, 23680808678 is an apocalyptic number.

3680808678 is an abundant number, since it is smaller than the sum of its proper divisors (4294276830).

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

3680808678 is a wasteful number, since it uses less digits than its factorization.

3680808678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204489379 (or 204489376 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 3680808678 is about 60669.6685173077. The cubic root of 3680808678 is about 1544.0016071444.

The spelling of 3680808678 in words is "three billion, six hundred eighty million, eight hundred eight thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 9 18 204489371 408978742 613468113 1226936226 1840404339 3680808678