Base | Representation |
---|---|
bin | 11100001000001000… |
… | …100011101101011100 |
3 | 2212221202221120002022 |
4 | 130020020203231130 |
5 | 443323003412340 |
6 | 21512501115312 |
7 | 2116262144465 |
oct | 341010435534 |
9 | 85852846068 |
10 | 30201232220 |
11 | 11898898855 |
12 | 5a2a3b8b38 |
13 | 2b03c91213 |
14 | 166706bd6c |
15 | bbb6283b5 |
hex | 708223b5c |
30201232220 has 48 divisors (see below), whose sum is σ = 65939293728. Its totient is φ = 11609917440.
The previous prime is 30201232211. The next prime is 30201232267. The reversal of 30201232220 is 2223210203.
It is a super-2 number, since 2×302012322202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219917 + ... + 329796.
It is an arithmetic number, because the mean of its divisors is an integer number (1373735286).
Almost surely, 230201232220 is an apocalyptic number.
It is an amenable number.
30201232220 is an abundant number, since it is smaller than the sum of its proper divisors (35738061508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201232220 is a wasteful number, since it uses less digits than its factorization.
30201232220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549830 (or 549828 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 30201232220 its reverse (2223210203), we get a palindrome (32424442423).
The spelling of 30201232220 in words is "thirty billion, two hundred one million, two hundred thirty-two thousand, two hundred twenty".
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