Base | Representation |
---|---|
bin | 111111011111101… |
… | …0001001000010010 |
3 | 12111110221100101121 |
4 | 1332333101020102 |
5 | 13330402430300 |
6 | 551224152454 |
7 | 103540034251 |
oct | 17677211022 |
9 | 5443840347 |
10 | 2130514450 |
11 | 9a3690049 |
12 | 4b560872a |
13 | 27c51304c |
14 | 162d50798 |
15 | c709381a |
hex | 7efd1212 |
2130514450 has 24 divisors (see below), whose sum is σ = 3999802032. Its totient is φ = 844239120.
The previous prime is 2130514391. The next prime is 2130514457. The reversal of 2130514450 is 544150312.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (2130514457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193764 + ... + 204463.
It is an arithmetic number, because the mean of its divisors is an integer number (166658418).
Almost surely, 22130514450 is an apocalyptic number.
2130514450 is a deficient number, since it is larger than the sum of its proper divisors (1869287582).
2130514450 is a wasteful number, since it uses less digits than its factorization.
2130514450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398346 (or 398341 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 2130514450 is about 46157.4961409303. The cubic root of 2130514450 is about 1286.7519291520.
Adding to 2130514450 its reverse (544150312), we get a palindrome (2674664762).
The spelling of 2130514450 in words is "two billion, one hundred thirty million, five hundred fourteen thousand, four hundred fifty".
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