Base | Representation |
---|---|
bin | 111011111111111… |
… | …1100011111001010 |
3 | 12012022021202220111 |
4 | 1313333330133022 |
5 | 13110343022110 |
6 | 531434544534 |
7 | 100614232663 |
oct | 16777743712 |
9 | 5168252814 |
10 | 2013251530 |
11 | 943478744 |
12 | 48229814a |
13 | 261136bc4 |
14 | 15154836a |
15 | bbb2de8a |
hex | 77ffc7ca |
2013251530 has 8 divisors (see below), whose sum is σ = 3623852772. Its totient is φ = 805300608.
The previous prime is 2013251519. The next prime is 2013251531. The reversal of 2013251530 is 351523102.
It can be written as a sum of positive squares in 2 ways, for example, as 1740308089 + 272943441 = 41717^2 + 16521^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2013251531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100662567 + ... + 100662586.
Almost surely, 22013251530 is an apocalyptic number.
2013251530 is a deficient number, since it is larger than the sum of its proper divisors (1610601242).
2013251530 is a wasteful number, since it uses less digits than its factorization.
2013251530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201325160.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 2013251530 is about 44869.2715563781. The cubic root of 2013251530 is about 1262.6975736279.
Adding to 2013251530 its reverse (351523102), we get a palindrome (2364774632).
The spelling of 2013251530 in words is "two billion, thirteen million, two hundred fifty-one thousand, five hundred thirty".
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