Base | Representation |
---|---|
bin | 10010110101001101… |
… | …010000100111000110 |
3 | 1221012011112111120201 |
4 | 102311031100213012 |
5 | 312402311134230 |
6 | 13142225121114 |
7 | 1314033226045 |
oct | 226515204706 |
9 | 57164474521 |
10 | 20220021190 |
11 | 8636747216 |
12 | 3b0378919a |
13 | 1ba3151ba5 |
14 | d9b5da55c |
15 | 7d522c5ca |
hex | 4b53509c6 |
20220021190 has 16 divisors (see below), whose sum is σ = 37651074480. Its totient is φ = 7809111520.
The previous prime is 20220021167. The next prime is 20220021271. The reversal of 20220021190 is 9112002202.
It is a super-2 number, since 2×202200211902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34861816 + ... + 34862395.
It is an arithmetic number, because the mean of its divisors is an integer number (2353192155).
Almost surely, 220220021190 is an apocalyptic number.
20220021190 is a deficient number, since it is larger than the sum of its proper divisors (17431053290).
20220021190 is a wasteful number, since it uses less digits than its factorization.
20220021190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69724247.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 20220021190 its reverse (9112002202), we get a palindrome (29332023392).
The spelling of 20220021190 in words is "twenty billion, two hundred twenty million, twenty-one thousand, one hundred ninety".
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