Base | Representation |
---|---|
bin | 11010010000111101… |
… | …011110101011000100 |
3 | 2200210102201212121200 |
4 | 122100331132223010 |
5 | 430224132324200 |
6 | 20542235142500 |
7 | 2015603451555 |
oct | 322075365304 |
9 | 80712655550 |
10 | 28201839300 |
11 | 10a62226308 |
12 | 55708a4a30 |
13 | 287599a29b |
14 | 15176d032c |
15 | b00d35800 |
hex | 690f5eac4 |
28201839300 has 108 divisors (see below), whose sum is σ = 88589329920. Its totient is φ = 7504136640.
The previous prime is 28201839269. The next prime is 28201839307. The reversal of 28201839300 is 393810282.
It is a happy number.
It is a super-3 number, since 3×282018393003 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (28201839307) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 382861 + ... + 450539.
Almost surely, 228201839300 is an apocalyptic number.
28201839300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28201839300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44294664960).
28201839300 is an abundant number, since it is smaller than the sum of its proper divisors (60387490620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28201839300 is a wasteful number, since it uses less digits than its factorization.
28201839300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68162 (or 68152 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 28201839300 in words is "twenty-eight billion, two hundred one million, eight hundred thirty-nine thousand, three hundred".
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