Base | Representation |
---|---|
bin | 10100111010110010… |
… | …00100101111011000 |
3 | 1001222200020001122211 |
4 | 22131121010233120 |
5 | 141000003434040 |
6 | 5054221124504 |
7 | 545205635326 |
oct | 123531045730 |
9 | 31880201584 |
10 | 11230530520 |
11 | 4843383890 |
12 | 22150b9734 |
13 | 109c911241 |
14 | 78775cd16 |
15 | 45ae298ea |
hex | 29d644bd8 |
11230530520 has 32 divisors (see below), whose sum is σ = 27565848720. Its totient is φ = 4083829120.
The previous prime is 11230530403. The next prime is 11230530523. The reversal of 11230530520 is 2503503211.
11230530520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×112305305202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 11230530491 and 11230530500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11230530523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12761527 + ... + 12762406.
Almost surely, 211230530520 is an apocalyptic number.
11230530520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11230530520 is an abundant number, since it is smaller than the sum of its proper divisors (16335318200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230530520 is a wasteful number, since it uses less digits than its factorization.
11230530520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25523955 (or 25523951 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 22.
The spelling of 11230530520 in words is "eleven billion, two hundred thirty million, five hundred thirty thousand, five hundred twenty".
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