Base | Representation |
---|---|
bin | 11100001111010101… |
… | …101111110100101100 |
3 | 2220021012102210222000 |
4 | 130033111233310230 |
5 | 444044431131340 |
6 | 21532500252300 |
7 | 2122260566004 |
oct | 341725576454 |
9 | 86235383860 |
10 | 30322130220 |
11 | 11950063258 |
12 | 5a629a1090 |
13 | 2b23040ab5 |
14 | 167913d004 |
15 | bc7059d30 |
hex | 70f56fd2c |
30322130220 has 96 divisors (see below), whose sum is σ = 94373475840. Its totient is φ = 8082648000.
The previous prime is 30322130197. The next prime is 30322130243. The reversal of 30322130220 is 2203122303.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30322130197) and next prime (30322130243).
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 = 30322130193 and 30322130202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1525345 + ... + 1545095.
It is an arithmetic number, because the mean of its divisors is an integer number (983057040).
Almost surely, 230322130220 is an apocalyptic number.
30322130220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30322130220 is an abundant number, since it is smaller than the sum of its proper divisors (64051345620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30322130220 is a wasteful number, since it uses less digits than its factorization.
30322130220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22612 (or 22604 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30322130220 its reverse (2203122303), we get a palindrome (32525252523).
The spelling of 30322130220 in words is "thirty billion, three hundred twenty-two million, one hundred thirty thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.021 sec. • engine limits •