Base | Representation |
---|---|
bin | 1100011010001110111… |
… | …0101000111100000100 |
3 | 202101022021222220122112 |
4 | 3012203232220330010 |
5 | 11443113234410040 |
6 | 241535354320152 |
7 | 21255205506605 |
oct | 3064356507404 |
9 | 671267886575 |
10 | 213200310020 |
11 | 82466020525 |
12 | 353a0429058 |
13 | 171490562c9 |
14 | a4672addac |
15 | 582c292365 |
hex | 31a3ba8f04 |
213200310020 has 48 divisors (see below), whose sum is σ = 451194179520. Its totient is φ = 84619188864.
The previous prime is 213200310013. The next prime is 213200310049. The reversal of 213200310020 is 20013002312.
It is a happy number.
It is a super-2 number, since 2×2132003100202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213200309977 and 213200310004.
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, 5169722 + ... + 5210798.
It is an arithmetic number, because the mean of its divisors is an integer number (9399878740).
Almost surely, 2213200310020 is an apocalyptic number.
213200310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213200310020 is an abundant number, since it is smaller than the sum of its proper divisors (237993869500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213200310020 is a wasteful number, since it uses less digits than its factorization.
213200310020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43092 (or 43090 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 213200310020 its reverse (20013002312), we get a palindrome (233213312332).
The spelling of 213200310020 in words is "two hundred thirteen billion, two hundred million, three hundred ten thousand, twenty".
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