Base | Representation |
---|---|
bin | 1010001111101010… |
… | …0000111100111010 |
3 | 21002122122202211102 |
4 | 2203322200330322 |
5 | 21113001304110 |
6 | 1132514331402 |
7 | 125101555100 |
oct | 24372407472 |
9 | 7078582742 |
10 | 2750025530 |
11 | 119135497a |
12 | 648b89b62 |
13 | 34a980655 |
14 | 1c1335c70 |
15 | 1116675a5 |
hex | a3ea0f3a |
2750025530 has 48 divisors (see below), whose sum is σ = 5779289736. Its totient is φ = 939415680.
The previous prime is 2750025497. The next prime is 2750025539. The reversal of 2750025530 is 355200572.
It can be written as a sum of positive squares in 4 ways, for example, as 852464809 + 1897560721 = 29197^2 + 43561^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2750025493 and 2750025502.
It is not an unprimeable number, because it can be changed into a prime (2750025539) 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 23 ways as a sum of consecutive naturals, for example, 125600 + ... + 145860.
Almost surely, 22750025530 is an apocalyptic number.
2750025530 is an abundant number, since it is smaller than the sum of its proper divisors (3029264206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2750025530 is a wasteful number, since it uses less digits than its factorization.
2750025530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20559 (or 20552 counting only the distinct ones).
The product of its (nonzero) digits is 10500, while the sum is 29.
The square root of 2750025530 is about 52440.6858269417. The cubic root of 2750025530 is about 1401.0240008333.
The spelling of 2750025530 in words is "two billion, seven hundred fifty million, twenty-five thousand, five hundred thirty".
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