Base | Representation |
---|---|
bin | 100001101101011… |
… | …0011110000101110 |
3 | 2220211100220012011 |
4 | 1003122303300232 |
5 | 4304030214410 |
6 | 304123231434 |
7 | 40013126140 |
oct | 10332636056 |
9 | 2824326164 |
10 | 1131101230 |
11 | 530528106 |
12 | 27697857a |
13 | 15044cc8c |
14 | aa316c90 |
15 | 6947b18a |
hex | 436b3c2e |
1131101230 has 16 divisors (see below), whose sum is σ = 2326836960. Its totient is φ = 387806112.
The previous prime is 1131101227. The next prime is 1131101263. The reversal of 1131101230 is 321011311.
It is a self number, because there is not a number n which added to its sum of digits gives 1131101230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8079225 + ... + 8079364.
It is an arithmetic number, because the mean of its divisors is an integer number (145427310).
Almost surely, 21131101230 is an apocalyptic number.
1131101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1131101230 is an abundant number, since it is smaller than the sum of its proper divisors (1195735730).
1131101230 is a wasteful number, since it uses less digits than its factorization.
1131101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16158603.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 1131101230 is about 33631.8484475653. The cubic root of 1131101230 is about 1041.9186813246.
Adding to 1131101230 its reverse (321011311), we get a palindrome (1452112541).
The spelling of 1131101230 in words is "one billion, one hundred thirty-one million, one hundred one thousand, two hundred thirty".
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