Base | Representation |
---|---|
bin | 111111011111100… |
… | …0000000000111111 |
3 | 12111110210210020100 |
4 | 1332333000000333 |
5 | 13330343204401 |
6 | 551222452143 |
7 | 103536323010 |
oct | 17677000077 |
9 | 5443723210 |
10 | 2130444351 |
11 | 9a3642412 |
12 | 4b5594053 |
13 | 27c4ba179 |
14 | 162d33007 |
15 | c707cb86 |
hex | 7efc003f |
2130444351 has 24 divisors (see below), whose sum is σ = 3522781184. Its totient is φ = 1215369360.
The previous prime is 2130444347. The next prime is 2130444361. The reversal of 2130444351 is 1534440312.
It is a happy number.
2130444351 is a `hidden beast` number, since 2 + 1 + 304 + 4 + 4 + 351 = 666.
It is not a de Polignac number, because 2130444351 - 22 = 2130444347 is a prime.
It is a super-2 number, since 2×21304443512 = 9077586265415622402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130444361) 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, 10386 + ... + 66096.
Almost surely, 22130444351 is an apocalyptic number.
2130444351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2130444351 is a deficient number, since it is larger than the sum of its proper divisors (1392336833).
2130444351 is a wasteful number, since it uses less digits than its factorization.
2130444351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56331 (or 56328 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 2130444351 is about 46156.7367889022. The cubic root of 2130444351 is about 1286.7378165961.
Adding to 2130444351 its reverse (1534440312), we get a palindrome (3664884663).
The spelling of 2130444351 in words is "two billion, one hundred thirty million, four hundred forty-four thousand, three hundred fifty-one".
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