Base | Representation |
---|---|
bin | 1000010011101011… |
… | …0100010010001101 |
3 | 12202102011022000210 |
4 | 2010322310102031 |
5 | 14031340323041 |
6 | 1005140513033 |
7 | 106155531600 |
oct | 20472642215 |
9 | 5672138023 |
10 | 2230011021 |
11 | a44868317 |
12 | 5229ab779 |
13 | 29700b664 |
14 | 172250337 |
15 | d0b99016 |
hex | 84eb448d |
2230011021 has 24 divisors (see below), whose sum is σ = 3532394880. Its totient is φ = 1247175552.
The previous prime is 2230011013. The next prime is 2230011037. The reversal of 2230011021 is 1201100322.
It is not a de Polignac number, because 2230011021 - 23 = 2230011013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2230010988 and 2230011006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230010021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154476 + ... + 168293.
It is an arithmetic number, because the mean of its divisors is an integer number (147183120).
Almost surely, 22230011021 is an apocalyptic number.
2230011021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2230011021 is a deficient number, since it is larger than the sum of its proper divisors (1302383859).
2230011021 is a wasteful number, since it uses less digits than its factorization.
2230011021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322833 (or 322826 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2230011021 is about 47222.9925036523. The cubic root of 2230011021 is about 1306.4787084377.
Adding to 2230011021 its reverse (1201100322), we get a palindrome (3431111343).
The spelling of 2230011021 in words is "two billion, two hundred thirty million, eleven thousand, twenty-one".
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