Base | Representation |
---|---|
bin | 1100011010001110111… |
… | …0110000111111101100 |
3 | 202101022022001120220202 |
4 | 3012203232300333230 |
5 | 11443113241434040 |
6 | 241535355133032 |
7 | 21255206005040 |
oct | 3064356607754 |
9 | 671268046822 |
10 | 213200343020 |
11 | 824660432a5 |
12 | 353a0444178 |
13 | 17149068332 |
14 | a4672bc020 |
15 | 582c29c015 |
hex | 31a3bb0fec |
213200343020 has 96 divisors (see below), whose sum is σ = 528639369216. Its totient is φ = 70678656000.
The previous prime is 213200342933. The next prime is 213200343127. The reversal of 213200343020 is 20343002312.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 213200342983 and 213200343001.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5191889 + ... + 5232791.
It is an arithmetic number, because the mean of its divisors is an integer number (5506660096).
Almost surely, 2213200343020 is an apocalyptic number.
213200343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213200343020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264319684608).
213200343020 is an abundant number, since it is smaller than the sum of its proper divisors (315439026196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213200343020 is a wasteful number, since it uses less digits than its factorization.
213200343020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42151 (or 42149 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 213200343020 its reverse (20343002312), we get a palindrome (233543345332).
The spelling of 213200343020 in words is "two hundred thirteen billion, two hundred million, three hundred forty-three thousand, twenty".
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