Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101010100011111110 |
3 | 1221011121110000222110 |
4 | 102310232222203332 |
5 | 312343233013042 |
6 | 13141341154450 |
7 | 1313605113453 |
oct | 226456524376 |
9 | 57147400873 |
10 | 20212001022 |
11 | 8632169584 |
12 | 3b00b5ba26 |
13 | 1ba15a4525 |
14 | d9a50d82a |
15 | 7d469609c |
hex | 4b4baa8fe |
20212001022 has 32 divisors (see below), whose sum is σ = 40932420480. Its totient is φ = 6652951200.
The previous prime is 20212001011. The next prime is 20212001039. The reversal of 20212001022 is 22010021202.
It is a junction number, because it is equal to n+sod(n) for n = 20212000989 and 20212001007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185673 + ... + 273675.
It is an arithmetic number, because the mean of its divisors is an integer number (1279138140).
Almost surely, 220212001022 is an apocalyptic number.
20212001022 is an abundant number, since it is smaller than the sum of its proper divisors (20720419458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212001022 is a wasteful number, since it uses less digits than its factorization.
20212001022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88488.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20212001022 its reverse (22010021202), we get a palindrome (42222022224).
The spelling of 20212001022 in words is "twenty billion, two hundred twelve million, one thousand, twenty-two".
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