Base | Representation |
---|---|
bin | 101011111101101110010… |
… | …101110100100100101100 |
3 | 101200211021112200200001220 |
4 | 223331232111310210230 |
5 | 343444421041120322 |
6 | 10231532020303340 |
7 | 431163323451642 |
oct | 53755625644454 |
9 | 11624245620056 |
10 | 3021213223212 |
11 | a65320113308 |
12 | 409646241b50 |
13 | 18bb8c67b9a2 |
14 | a6328391192 |
15 | 538c6c5d55c |
hex | 2bf6e57492c |
3021213223212 has 12 divisors (see below), whose sum is σ = 7049497520856. Its totient is φ = 1007071074400.
The previous prime is 3021213223207. The next prime is 3021213223213. The reversal of 3021213223212 is 2123223121203.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×30212132232122 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3021213223213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125883884289 + ... + 125883884312.
It is an arithmetic number, because the mean of its divisors is an integer number (587458126738).
Almost surely, 23021213223212 is an apocalyptic number.
It is an amenable number.
3021213223212 is an abundant number, since it is smaller than the sum of its proper divisors (4028284297644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3021213223212 is a wasteful number, since it uses less digits than its factorization.
3021213223212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251767768608 (or 251767768606 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 3021213223212 its reverse (2123223121203), we get a palindrome (5144436344415).
The spelling of 3021213223212 in words is "three trillion, twenty-one billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred twelve".
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