Base | Representation |
---|---|
bin | 11100000010000111… |
… | …001110100110100000 |
3 | 2212200201212121210211 |
4 | 130002013032212200 |
5 | 443121124022240 |
6 | 21454452103504 |
7 | 2113624436242 |
oct | 340207164640 |
9 | 85621777724 |
10 | 30100220320 |
11 | 11846876045 |
12 | 5a00604b94 |
13 | 2ab9084c71 |
14 | 1657896092 |
15 | bb2823bea |
hex | 7021ce9a0 |
30100220320 has 48 divisors (see below), whose sum is σ = 71124607008. Its totient is φ = 12037914880.
The previous prime is 30100220309. The next prime is 30100220321. The reversal of 30100220320 is 2302200103.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30100220320.
It is not an unprimeable number, because it can be changed into a prime (30100220321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101867 + ... + 1128853.
It is an arithmetic number, because the mean of its divisors is an integer number (1481762646).
Almost surely, 230100220320 is an apocalyptic number.
It is an amenable number.
30100220320 is an abundant number, since it is smaller than the sum of its proper divisors (41024386688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30100220320 is a wasteful number, since it uses less digits than its factorization.
30100220320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33973 (or 33965 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 30100220320 its reverse (2302200103), we get a palindrome (32402420423).
The spelling of 30100220320 in words is "thirty billion, one hundred million, two hundred twenty thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •