Base | Representation |
---|---|
bin | 10100100110011101… |
… | …100110011010111000 |
3 | 2010002120221001011200 |
4 | 110212131212122320 |
5 | 330300223131412 |
6 | 14054543054200 |
7 | 1412105001414 |
oct | 244635463270 |
9 | 63076831150 |
10 | 22120130232 |
11 | 9421267272 |
12 | 4353ba1360 |
13 | 21169c3275 |
14 | 10dbad1d44 |
15 | 896e5c9dc |
hex | 5267666b8 |
22120130232 has 96 divisors (see below), whose sum is σ = 60240726000. Its totient is φ = 7332641280.
The previous prime is 22120130099. The next prime is 22120130233. The reversal of 22120130232 is 23203102122.
It is a super-2 number, since 2×221201302322 (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 (22120130233) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11454307 + ... + 11456237.
Almost surely, 222120130232 is an apocalyptic number.
It is an amenable number.
22120130232 is an abundant number, since it is smaller than the sum of its proper divisors (38120595768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22120130232 is a wasteful number, since it uses less digits than its factorization.
22120130232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2741 (or 2734 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22120130232 its reverse (23203102122), we get a palindrome (45323232354).
The spelling of 22120130232 in words is "twenty-two billion, one hundred twenty million, one hundred thirty thousand, two hundred thirty-two".
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