Base | Representation |
---|---|
bin | 10100111010110101… |
… | …11111011100101010 |
3 | 1001222201011121010000 |
4 | 22131122333130222 |
5 | 141000121030010 |
6 | 5054240003430 |
7 | 545213130552 |
oct | 123532773452 |
9 | 31881147100 |
10 | 11231033130 |
11 | 4843697469 |
12 | 2215300576 |
13 | 109ca58c45 |
14 | 787850162 |
15 | 45aec87c0 |
hex | 29d6bf72a |
11231033130 has 40 divisors (see below), whose sum is σ = 30199002372. Its totient is φ = 2994941952.
The previous prime is 11231033123. The next prime is 11231033161. The reversal of 11231033130 is 3133013211.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 10957693041 + 273340089 = 104679^2 + 16533^2 .
It is a super-2 number, since 2×112310331302 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6931927 + ... + 6933546.
Almost surely, 211231033130 is an apocalyptic number.
11231033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11231033130 is an abundant number, since it is smaller than the sum of its proper divisors (18967969242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11231033130 is a wasteful number, since it uses less digits than its factorization.
11231033130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13865492 (or 13865483 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 11231033130 its reverse (3133013211), we get a palindrome (14364046341).
The spelling of 11231033130 in words is "eleven billion, two hundred thirty-one million, thirty-three thousand, one hundred thirty".
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