Base | Representation |
---|---|
bin | 11100010101010010… |
… | …110010111111000000 |
3 | 2220112011101202000200 |
4 | 130111102302333000 |
5 | 444301014120112 |
6 | 21550425245200 |
7 | 2124612621645 |
oct | 342522627700 |
9 | 86464352020 |
10 | 30422020032 |
11 | 119a1489a18 |
12 | 5a90333800 |
13 | 2b3a9463b1 |
14 | 1688501dcc |
15 | bd0bdbcdc |
hex | 7154b2fc0 |
30422020032 has 84 divisors (see below), whose sum is σ = 87507820920. Its totient is φ = 10104786432.
The previous prime is 30422019977. The next prime is 30422020033. The reversal of 30422020032 is 23002022403.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30422019987 and 30422020014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30422020033) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 69694 + ... + 256322.
Almost surely, 230422020032 is an apocalyptic number.
30422020032 is a gapful number since it is divisible by the number (32) 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 30422020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43753910460).
30422020032 is an abundant number, since it is smaller than the sum of its proper divisors (57085800888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30422020032 is a wasteful number, since it uses less digits than its factorization.
30422020032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186930 (or 186917 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
Adding to 30422020032 its reverse (23002022403), we get a palindrome (53424042435).
The spelling of 30422020032 in words is "thirty billion, four hundred twenty-two million, twenty thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •