Base | Representation |
---|---|
bin | 1101101111110110000010… |
… | …10100011111000110100100 |
3 | 10222001002001220221110100021 |
4 | 12313323001110133012210 |
5 | 12430302021114432322 |
6 | 144144010542524524 |
7 | 6240063615234244 |
oct | 667730124370644 |
9 | 128032056843307 |
10 | 30231223202212 |
11 | 96a5a9840a1aa |
12 | 348301b596744 |
13 | 13b3a3b37c7b6 |
14 | 7672b0125b24 |
15 | 3765b44474c7 |
hex | 1b7ec151f1a4 |
30231223202212 has 24 divisors (see below), whose sum is σ = 53361861255360. Its totient is φ = 14985454770720.
The previous prime is 30231223202203. The next prime is 30231223202231. The reversal of 30231223202212 is 21220232213203.
It is a super-2 number, since 2×302312232022122 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59451739 + ... + 59958082.
It is an arithmetic number, because the mean of its divisors is an integer number (2223410885640).
Almost surely, 230231223202212 is an apocalyptic number.
It is an amenable number.
30231223202212 is a deficient number, since it is larger than the sum of its proper divisors (23130638053148).
30231223202212 is a wasteful number, since it uses less digits than its factorization.
30231223202212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119410371 (or 119410369 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 30231223202212 its reverse (21220232213203), we get a palindrome (51451455415415).
The spelling of 30231223202212 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, two hundred two thousand, two hundred twelve".
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