Base | Representation |
---|---|
bin | 111100111000000… |
… | …000000011001110 |
3 | 2122011210002100221 |
4 | 330320000003032 |
5 | 4042424010410 |
6 | 245202141554 |
7 | 34211006410 |
oct | 7470000316 |
9 | 2564702327 |
10 | 1021313230 |
11 | 484560823 |
12 | 2460518ba |
13 | 133790272 |
14 | 998d89b0 |
15 | 5e9e14da |
hex | 3ce000ce |
1021313230 has 32 divisors (see below), whose sum is σ = 2105611200. Its totient is φ = 349393920.
The previous prime is 1021313219. The next prime is 1021313273. The reversal of 1021313230 is 323131201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16446 + ... + 48094.
It is an arithmetic number, because the mean of its divisors is an integer number (65800350).
Almost surely, 21021313230 is an apocalyptic number.
1021313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1021313230 is an abundant number, since it is smaller than the sum of its proper divisors (1084297970).
1021313230 is a wasteful number, since it uses less digits than its factorization.
1021313230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32124.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1021313230 is about 31957.9916452833. The cubic root of 1021313230 is about 1007.0545266280.
Adding to 1021313230 its reverse (323131201), we get a palindrome (1344444431).
The spelling of 1021313230 in words is "one billion, twenty-one million, three hundred thirteen thousand, two hundred thirty".
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