Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1100001011100100 |
3 | 12202111102212120100 |
4 | 2010333130023210 |
5 | 14032143114022 |
6 | 1005222504100 |
7 | 106202040234 |
oct | 20477341344 |
9 | 5674385510 |
10 | 2231223012 |
11 | a45515967 |
12 | 523295030 |
13 | 297344205 |
14 | 172487cc4 |
15 | d0d381ac |
hex | 84fdc2e4 |
2231223012 has 36 divisors (see below), whose sum is σ = 5724221776. Its totient is φ = 732639600.
The previous prime is 2231222971. The next prime is 2231223053. The reversal of 2231223012 is 2103221322.
2231223012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2231222971) and next prime (2231223053).
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×22312230123 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460114 + ... + 464937.
Almost surely, 22231223012 is an apocalyptic number.
It is an amenable number.
2231223012 is an abundant number, since it is smaller than the sum of its proper divisors (3492998764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231223012 is a wasteful number, since it uses less digits than its factorization.
2231223012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925128 (or 925123 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2231223012 is about 47235.8233970786. The cubic root of 2231223012 is about 1306.7153520605.
Adding to 2231223012 its reverse (2103221322), we get a palindrome (4334444334).
The spelling of 2231223012 in words is "two billion, two hundred thirty-one million, two hundred twenty-three thousand, twelve".
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