Base | Representation |
---|---|
bin | 10010110100100111… |
… | …100010010011111111 |
3 | 1221011110221002110200 |
4 | 102310213202103333 |
5 | 312342243212343 |
6 | 13141233134543 |
7 | 1313553201201 |
oct | 226447422377 |
9 | 57143832420 |
10 | 20210132223 |
11 | 8631102516 |
12 | 3b003ba453 |
13 | 1ba109ba28 |
14 | d9a184771 |
15 | 7d44274d3 |
hex | 4b49e24ff |
20210132223 has 48 divisors (see below), whose sum is σ = 31125192384. Its totient is φ = 12609146880.
The previous prime is 20210132203. The next prime is 20210132231. The reversal of 20210132223 is 32223101202.
It is a de Polignac number, because none of the positive numbers 2k-20210132223 is a prime.
It is a super-2 number, since 2×202101322232 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20210132196 and 20210132205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20210132203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2432865 + ... + 2441157.
It is an arithmetic number, because the mean of its divisors is an integer number (648441508).
Almost surely, 220210132223 is an apocalyptic number.
20210132223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20210132223 is a deficient number, since it is larger than the sum of its proper divisors (10915060161).
20210132223 is a wasteful number, since it uses less digits than its factorization.
20210132223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8576 (or 8573 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20210132223 its reverse (32223101202), we get a palindrome (52433233425).
The spelling of 20210132223 in words is "twenty billion, two hundred ten million, one hundred thirty-two thousand, two hundred twenty-three".
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