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13608932860 = 2256111154863
BaseRepresentation
bin11001010110010011…
…11101010111111100
31022010102121102022101
430223021331113330
5210332341322420
610130222354444
7661146010045
oct145311752774
938112542271
1013608932860
115853984756
12277972ba24
13138b5a74c3
149315998cc
15549b3660a
hex32b27d5fc

13608932860 has 24 divisors (see below), whose sum is σ = 29047265856. Its totient is φ = 5354333760.

The previous prime is 13608932851. The next prime is 13608932891. The reversal of 13608932860 is 6823980631.

It is a self number, because there is not a number n which added to its sum of digits gives 13608932860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576212 + ... + 5578651.

It is an arithmetic number, because the mean of its divisors is an integer number (1210302744).

Almost surely, 213608932860 is an apocalyptic number.

13608932860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13608932860 is an abundant number, since it is smaller than the sum of its proper divisors (15438332996).

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

13608932860 is a wasteful number, since it uses less digits than its factorization.

13608932860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154933 (or 11154931 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 13608932860 in words is "thirteen billion, six hundred eight million, nine hundred thirty-two thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 11154863 22309726 44619452 55774315 111548630 223097260 680446643 1360893286 2721786572 3402233215 6804466430 13608932860