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8680133652 = 223723344471
BaseRepresentation
bin10000001010110000…
…00101010000010100
3211101221012110212120
420011120011100110
5120234103234102
63553153215540
7425046630051
oct100530052024
924357173776
108680133652
113754788983
121822b615b0
13a84417b78
145c4b50028
1535c0966bc
hex205605414

8680133652 has 12 divisors (see below), whose sum is σ = 20253645216. Its totient is φ = 2893377880.

The previous prime is 8680133633. The next prime is 8680133663. The reversal of 8680133652 is 2563310868.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361672224 + ... + 361672247.

It is an arithmetic number, because the mean of its divisors is an integer number (1687803768).

Almost surely, 28680133652 is an apocalyptic number.

It is an amenable number.

8680133652 is an abundant number, since it is smaller than the sum of its proper divisors (11573511564).

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

8680133652 is a wasteful number, since it uses less digits than its factorization.

8680133652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723344478 (or 723344476 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 8680133652 is about 93167.2348629066. The cubic root of 8680133652 is about 2055.1434319527.

The spelling of 8680133652 in words is "eight billion, six hundred eighty million, one hundred thirty-three thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 723344471 1446688942 2170033413 2893377884 4340066826 8680133652