Base | Representation |
---|---|
bin | 111110101000001… |
… | …0010000011000110 |
3 | 12102110012012121220 |
4 | 1331100102003012 |
5 | 13300430421410 |
6 | 544304421210 |
7 | 103034530410 |
oct | 17520220306 |
9 | 5373165556 |
10 | 2101420230 |
11 | 989219138 |
12 | 4a7917806 |
13 | 276497430 |
14 | 15d1399b0 |
15 | c4748070 |
hex | 7d4120c6 |
2101420230 has 64 divisors (see below), whose sum is σ = 6207280128. Its totient is φ = 443376000.
The previous prime is 2101420193. The next prime is 2101420249. The reversal of 2101420230 is 320241012.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382146 + ... + 387605.
It is an arithmetic number, because the mean of its divisors is an integer number (96988752).
Almost surely, 22101420230 is an apocalyptic number.
2101420230 is an abundant number, since it is smaller than the sum of its proper divisors (4105859898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101420230 is a wasteful number, since it uses less digits than its factorization.
2101420230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769781.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2101420230 is about 45841.2503101737. The cubic root of 2101420230 is about 1280.8677851624.
Adding to 2101420230 its reverse (320241012), we get a palindrome (2421661242).
The spelling of 2101420230 in words is "two billion, one hundred one million, four hundred twenty thousand, two hundred thirty".
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