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13933728818 = 214731472939
BaseRepresentation
bin11001111101000001…
…11101010000110010
31022222001202202121022
430332200331100302
5212014013310233
610222344055442
71002201512042
oct147640752062
938861682538
1013933728818
115a00254769
12284a464582
131410977669
14962785722
155683e2398
hex33e83d432

13933728818 has 8 divisors (see below), whose sum is σ = 20902056240. Its totient is φ = 6966376740.

The previous prime is 13933728797. The next prime is 13933728829. The reversal of 13933728818 is 81882733931.

13933728818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13933728818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207008 + ... + 265931.

It is an arithmetic number, because the mean of its divisors is an integer number (2612757030).

Almost surely, 213933728818 is an apocalyptic number.

13933728818 is a deficient number, since it is larger than the sum of its proper divisors (6968327422).

13933728818 is a wasteful number, since it uses less digits than its factorization.

13933728818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487672.

The product of its digits is 1741824, while the sum is 53.

The spelling of 13933728818 in words is "thirteen billion, nine hundred thirty-three million, seven hundred twenty-eight thousand, eight hundred eighteen".

Divisors: 1 2 14731 29462 472939 945878 6966864409 13933728818