Base | Representation |
---|---|
bin | 10100111010101111… |
… | …10100110011111100 |
3 | 1001222122121102120100 |
4 | 22131113310303330 |
5 | 140444413000012 |
6 | 5054210121100 |
7 | 545203103001 |
oct | 123527646374 |
9 | 31878542510 |
10 | 11230203132 |
11 | 484317a915 |
12 | 2214b80190 |
13 | 109c828215 |
14 | 7876b58a8 |
15 | 45adb28dc |
hex | 29d5f4cfc |
11230203132 has 36 divisors (see below), whose sum is σ = 28453057360. Its totient is φ = 3734750592.
The previous prime is 11230203121. The next prime is 11230203139. The reversal of 11230203132 is 23130203211.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×112302031322 (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 a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11230203139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344632 + ... + 375807.
Almost surely, 211230203132 is an apocalyptic number.
11230203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11230203132 is an abundant number, since it is smaller than the sum of its proper divisors (17222854228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230203132 is a wasteful number, since it uses less digits than its factorization.
11230203132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720882 (or 720877 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 11230203132 its reverse (23130203211), we get a palindrome (34360406343).
The spelling of 11230203132 in words is "eleven billion, two hundred thirty million, two hundred three thousand, one hundred thirty-two".
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