Base | Representation |
---|---|
bin | 1100010111101011000… |
… | …1111101100110001100 |
3 | 202022112102021221221101 |
4 | 3011322301331212030 |
5 | 11440211402041322 |
6 | 241343253512444 |
7 | 21232164242362 |
oct | 3057261754614 |
9 | 668472257841 |
10 | 212513315212 |
11 | 82143254120 |
12 | 3522a342724 |
13 | 1706991b5c3 |
14 | a3ddd5d632 |
15 | 57dbcdd327 |
hex | 317ac7d98c |
212513315212 has 24 divisors (see below), whose sum is σ = 406427902272. Its totient is φ = 96425374800.
The previous prime is 212513315207. The next prime is 212513315239.
212513315212 is nontrivially palindromic in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264614 + ... + 4314157.
It is an arithmetic number, because the mean of its divisors is an integer number (16934495928).
Almost surely, 2212513315212 is an apocalyptic number.
212513315212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212513315212 is a deficient number, since it is larger than the sum of its proper divisors (193914587060).
212513315212 is a wasteful number, since it uses less digits than its factorization.
212513315212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8579349 (or 8579347 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
It can be divided in two parts, 212513 and 315212, that added together give a palindrome (527725).
The spelling of 212513315212 in words is "two hundred twelve billion, five hundred thirteen million, three hundred fifteen thousand, two hundred twelve".
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