Base | Representation |
---|---|
bin | 11100010100110001… |
… | …010001100001011100 |
3 | 2220111112212021102011 |
4 | 130110301101201130 |
5 | 444241241412340 |
6 | 21545513041004 |
7 | 2124445131340 |
oct | 342461214134 |
9 | 86445767364 |
10 | 30413232220 |
11 | 11997527568 |
12 | 5a893b6164 |
13 | 2b38b8a4c7 |
14 | 1687295620 |
15 | bd00530ea |
hex | 714c5185c |
30413232220 has 96 divisors (see below), whose sum is σ = 77406658560. Its totient is φ = 9798620160.
The previous prime is 30413232173. The next prime is 30413232233. The reversal of 30413232220 is 2223231403.
It is a super-2 number, since 2×304132322202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30413232191 and 30413232200.
It is a congruent number.
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, 1558725 + ... + 1578115.
It is an arithmetic number, because the mean of its divisors is an integer number (806319360).
Almost surely, 230413232220 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30413232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38703329280).
30413232220 is an abundant number, since it is smaller than the sum of its proper divisors (46993426340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30413232220 is a wasteful number, since it uses less digits than its factorization.
30413232220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20083 (or 20081 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30413232220 its reverse (2223231403), we get a palindrome (32636463623).
The spelling of 30413232220 in words is "thirty billion, four hundred thirteen million, two hundred thirty-two thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •