Base | Representation |
---|---|
bin | 100001110001010… |
… | …0011010111011110 |
3 | 2220222012000211100 |
4 | 1003202203113132 |
5 | 4310040144410 |
6 | 304234533530 |
7 | 40036312410 |
oct | 10342432736 |
9 | 2828160740 |
10 | 1133131230 |
11 | 5316942a0 |
12 | 2775972a6 |
13 | 1509b0c6a |
14 | aa6c49b0 |
15 | 6972c8c0 |
hex | 438a35de |
1133131230 has 192 divisors, whose sum is σ = 3708177408. Its totient is φ = 233210880.
The previous prime is 1133131229. The next prime is 1133131249. The reversal of 1133131230 is 321313311.
It is a happy number.
1133131230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 782367 + ... + 783813.
It is an arithmetic number, because the mean of its divisors is an integer number (19313424).
Almost surely, 21133131230 is an apocalyptic number.
1133131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1133131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1854088704).
1133131230 is an abundant number, since it is smaller than the sum of its proper divisors (2575046178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1133131230 is a wasteful number, since it uses less digits than its factorization.
1133131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1591 (or 1588 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 1133131230 is about 33662.0146455913. The cubic root of 1133131230 is about 1042.5416231678.
Adding to 1133131230 its reverse (321313311), we get a palindrome (1454444541).
The spelling of 1133131230 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred thirty".
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