Base | Representation |
---|---|
bin | 111100001111100… |
… | …1001001101110010 |
3 | 12012212200021211121 |
4 | 1320133021031302 |
5 | 13114441231010 |
6 | 532330132454 |
7 | 101043605206 |
oct | 17037111562 |
9 | 5185607747 |
10 | 2021430130 |
11 | 948054415 |
12 | 484b8112a |
13 | 262a3b705 |
14 | 152676b06 |
15 | bc6e73da |
hex | 787c9372 |
2021430130 has 8 divisors (see below), whose sum is σ = 3638574252. Its totient is φ = 808572048.
The previous prime is 2021430127. The next prime is 2021430161. The reversal of 2021430130 is 310341202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1784978001 + 236452129 = 42249^2 + 15377^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 101071497 + ... + 101071516.
Almost surely, 22021430130 is an apocalyptic number.
2021430130 is a deficient number, since it is larger than the sum of its proper divisors (1617144122).
2021430130 is a wasteful number, since it uses less digits than its factorization.
2021430130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202143020.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2021430130 is about 44960.3172809090. The cubic root of 2021430130 is about 1264.4051174504.
Adding to 2021430130 its reverse (310341202), we get a palindrome (2331771332).
The spelling of 2021430130 in words is "two billion, twenty-one million, four hundred thirty thousand, one hundred thirty".
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