Base | Representation |
---|---|
bin | 111111011111011… |
… | …1111111111001010 |
3 | 12111110210210002000 |
4 | 1332332333333022 |
5 | 13330343203414 |
6 | 551222451430 |
7 | 103536322452 |
oct | 17676777712 |
9 | 5443723060 |
10 | 2130444234 |
11 | 9a3642316 |
12 | 4b5593b76 |
13 | 27c4ba0b9 |
14 | 162d32d62 |
15 | c707cb09 |
hex | 7efbffca |
2130444234 has 16 divisors (see below), whose sum is σ = 4734320640. Its totient is φ = 710148060.
The previous prime is 2130444229. The next prime is 2130444263. The reversal of 2130444234 is 4324440312.
It is a happy number.
2130444234 is a `hidden beast` number, since 213 + 0 + 4 + 442 + 3 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2130444198 and 2130444207.
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, 19726282 + ... + 19726389.
It is an arithmetic number, because the mean of its divisors is an integer number (295895040).
Almost surely, 22130444234 is an apocalyptic number.
2130444234 is an abundant number, since it is smaller than the sum of its proper divisors (2603876406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130444234 is a wasteful number, since it uses less digits than its factorization.
2130444234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39452682 (or 39452676 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
The square root of 2130444234 is about 46156.7355214816. The cubic root of 2130444234 is about 1286.7377930410.
Adding to 2130444234 its reverse (4324440312), we get a palindrome (6454884546).
The spelling of 2130444234 in words is "two billion, one hundred thirty million, four hundred forty-four thousand, two hundred thirty-four".
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