Base | Representation |
---|---|
bin | 11010111110000011… |
… | …011101111101000000 |
3 | 2202202011022022202101 |
4 | 122332003131331000 |
5 | 433301321241221 |
6 | 21145302400144 |
7 | 2043421126216 |
oct | 327603357500 |
9 | 82664268671 |
10 | 28958383936 |
11 | 11310286509 |
12 | 5742130054 |
13 | 2966646931 |
14 | 1589d86cb6 |
15 | b47476d91 |
hex | 6be0ddf40 |
28958383936 has 28 divisors (see below), whose sum is σ = 58156644672. Its totient is φ = 14304741248.
The previous prime is 28958383931. The next prime is 28958383939. The reversal of 28958383936 is 63938385982.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28958383931) 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 3 ways as a sum of consecutive naturals, for example, 2720440 + ... + 2731063.
It is an arithmetic number, because the mean of its divisors is an integer number (2077023024).
Almost surely, 228958383936 is an apocalyptic number.
It is an amenable number.
28958383936 is an abundant number, since it is smaller than the sum of its proper divisors (29198260736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28958383936 is an equidigital number, since it uses as much as digits as its factorization.
28958383936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5451598 (or 5451588 counting only the distinct ones).
The product of its digits is 67184640, while the sum is 64.
The spelling of 28958383936 in words is "twenty-eight billion, nine hundred fifty-eight million, three hundred eighty-three thousand, nine hundred thirty-six".
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