Base | Representation |
---|---|
bin | 100001111110000011… |
… | …0000010101000010100 |
3 | 20222021221021000222120 |
4 | 1003330012002220110 |
5 | 2143344410400204 |
6 | 53302352255540 |
7 | 5161512402366 |
oct | 1037406025024 |
9 | 228257230876 |
10 | 72948918804 |
11 | 28a34843453 |
12 | 1217a5415b0 |
13 | 6b57385618 |
14 | 3760522d36 |
15 | 1d6e4646d9 |
hex | 10fc182a14 |
72948918804 has 12 divisors (see below), whose sum is σ = 170214143904. Its totient is φ = 24316306264.
The previous prime is 72948918751. The next prime is 72948918817. The reversal of 72948918804 is 40881984927.
It is a happy number.
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 (60) 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, 3039538272 + ... + 3039538295.
It is an arithmetic number, because the mean of its divisors is an integer number (14184511992).
Almost surely, 272948918804 is an apocalyptic number.
It is an amenable number.
72948918804 is an abundant number, since it is smaller than the sum of its proper divisors (97265225100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72948918804 is a wasteful number, since it uses less digits than its factorization.
72948918804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6079076574 (or 6079076572 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 60.
The spelling of 72948918804 in words is "seventy-two billion, nine hundred forty-eight million, nine hundred eighteen thousand, eight hundred four".
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