Base | Representation |
---|---|
bin | 10110101110100110… |
… | …11011101010000100 |
3 | 1011111101110102122200 |
4 | 23113103123222010 |
5 | 144442221130202 |
6 | 5334445554500 |
7 | 611244252120 |
oct | 132723335204 |
9 | 34441412580 |
10 | 12202130052 |
11 | 51a1869a02 |
12 | 2446575a30 |
13 | 11c5cb64c8 |
14 | 83a7d6580 |
15 | 4b639ae1c |
hex | 2d74dba84 |
12202130052 has 144 divisors (see below), whose sum is σ = 37422508032. Its totient is φ = 3272601600.
The previous prime is 12202130051. The next prime is 12202130071. The reversal of 12202130052 is 25003120221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12202130051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1714333 + ... + 1721435.
It is an arithmetic number, because the mean of its divisors is an integer number (259878528).
Almost surely, 212202130052 is an apocalyptic number.
12202130052 is a gapful number since it is divisible by the number (12) 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 12202130052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18711254016).
12202130052 is an abundant number, since it is smaller than the sum of its proper divisors (25220377980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12202130052 is a wasteful number, since it uses less digits than its factorization.
12202130052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7538 (or 7533 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 12202130052 its reverse (25003120221), we get a palindrome (37205250273).
The spelling of 12202130052 in words is "twelve billion, two hundred two million, one hundred thirty thousand, fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •