Base | Representation |
---|---|
bin | 1010100111110110… |
… | …1010001010101010 |
3 | 21100201121212110200 |
4 | 2221331222022222 |
5 | 21314441404002 |
6 | 1150541453030 |
7 | 130443313662 |
oct | 25175521252 |
9 | 7321555420 |
10 | 2851513002 |
11 | 1233671a18 |
12 | 676b71176 |
13 | 3659c5200 |
14 | 1d09d31a2 |
15 | 11a512b1c |
hex | a9f6a2aa |
2851513002 has 72 divisors (see below), whose sum is σ = 6757054668. Its totient is φ = 868608000.
The previous prime is 2851513001. The next prime is 2851513013. The reversal of 2851513002 is 2003151582.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 1787513841 + 1063999161 = 42279^2 + 32619^2 .
It is a super-2 number, since 2×28515130022 = 16262252801150104008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2851513001) 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 35 ways as a sum of consecutive naturals, for example, 302602 + ... + 311882.
Almost surely, 22851513002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2851513002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3378527334).
2851513002 is an abundant number, since it is smaller than the sum of its proper divisors (3905541666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851513002 is a wasteful number, since it uses less digits than its factorization.
2851513002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9416 (or 9400 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 2851513002 is about 53399.5599420070. The cubic root of 2851513002 is about 1418.0507875152.
Adding to 2851513002 its reverse (2003151582), we get a palindrome (4854664584).
The spelling of 2851513002 in words is "two billion, eight hundred fifty-one million, five hundred thirteen thousand, two".
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