Base | Representation |
---|---|
bin | 11101011010011001000… |
… | …001110010000000001010 |
3 | 21011020002001011120010020 |
4 | 131122121001302000022 |
5 | 231103410203310442 |
6 | 4144305525401310 |
7 | 266012161421451 |
oct | 35323101620012 |
9 | 7136061146106 |
10 | 2021202010122 |
11 | 70a2069298a9 |
12 | 287880569236 |
13 | 1187a1c883a9 |
14 | 6db80669b98 |
15 | 3789952e9ec |
hex | 1d69907200a |
2021202010122 has 16 divisors (see below), whose sum is σ = 4044422219040. Its totient is φ = 673397636912.
The previous prime is 2021202010067. The next prime is 2021202010129. The reversal of 2021202010122 is 2210102021202.
It is not an unprimeable number, because it can be changed into a prime (2021202010129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84078597 + ... + 84102632.
It is an arithmetic number, because the mean of its divisors is an integer number (252776388690).
Almost surely, 22021202010122 is an apocalyptic number.
2021202010122 is an abundant number, since it is smaller than the sum of its proper divisors (2023220208918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021202010122 is a wasteful number, since it uses less digits than its factorization.
2021202010122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168183237.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 2021202010122 its reverse (2210102021202), we get a palindrome (4231304031324).
The spelling of 2021202010122 in words is "two trillion, twenty-one billion, two hundred two million, ten thousand, one hundred twenty-two".
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