Base | Representation |
---|---|
bin | 11100010101111000… |
… | …111111100011111100 |
3 | 2220112212020110021002 |
4 | 130111320333203330 |
5 | 444311100024040 |
6 | 21551424025432 |
7 | 2125064004224 |
oct | 342570774374 |
9 | 86485213232 |
10 | 30432033020 |
11 | 119a70a8914 |
12 | 5a93762278 |
13 | 2b3ca40b3c |
14 | 168998b084 |
15 | bd1a18a15 |
hex | 715e3f8fc |
30432033020 has 12 divisors (see below), whose sum is σ = 63907269384. Its totient is φ = 12172813200.
The previous prime is 30432033017. The next prime is 30432033053. The reversal of 30432033020 is 2033023403.
It is a super-2 number, since 2×304320330202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1521601651 = 30432033020 / (3 + 0 + 4 + 3 + 2 + 0 + 3 + 3 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 30432032983 and 30432033001.
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, 760800806 + ... + 760800845.
It is an arithmetic number, because the mean of its divisors is an integer number (5325605782).
Almost surely, 230432033020 is an apocalyptic number.
It is an amenable number.
30432033020 is an abundant number, since it is smaller than the sum of its proper divisors (33475236364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30432033020 is a wasteful number, since it uses less digits than its factorization.
30432033020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1521601660 (or 1521601658 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 30432033020 its reverse (2033023403), we get a palindrome (32465056423).
The spelling of 30432033020 in words is "thirty billion, four hundred thirty-two million, thirty-three thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •