Base | Representation |
---|---|
bin | 1101101111110110000011… |
… | …01111010000111110001100 |
3 | 10222001002002102011002222120 |
4 | 12313323001233100332030 |
5 | 12430302024414102340 |
6 | 144144011353212540 |
7 | 6240064032012606 |
oct | 667730157207614 |
9 | 128032072132876 |
10 | 30231230222220 |
11 | 96a5aa1374465 |
12 | 3483021a01150 |
13 | 13b3a3c969b51 |
14 | 7672b1032176 |
15 | 3765b4d824d0 |
hex | 1b7ec1bd0f8c |
30231230222220 has 48 divisors (see below), whose sum is σ = 86082147083520. Its totient is φ = 7925023062976.
The previous prime is 30231230222213. The next prime is 30231230222267. The reversal of 30231230222220 is 2222203213203.
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, 4269944232 + ... + 4269951311.
It is an arithmetic number, because the mean of its divisors is an integer number (1793378064240).
Almost surely, 230231230222220 is an apocalyptic number.
30231230222220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30231230222220 is an abundant number, since it is smaller than the sum of its proper divisors (55850916861300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231230222220 is a wasteful number, since it uses less digits than its factorization.
30231230222220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8539895614 (or 8539895612 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 30231230222220 its reverse (2222203213203), we get a palindrome (32453433435423).
The spelling of 30231230222220 in words is "thirty trillion, two hundred thirty-one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred twenty".
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