Base | Representation |
---|---|
bin | 1100010101111000011… |
… | …0010100001011010000 |
3 | 202021021212211021021201 |
4 | 3011132012110023100 |
5 | 11433220210030222 |
6 | 241223424000544 |
7 | 21214232131510 |
oct | 3053606241320 |
9 | 667255737251 |
10 | 212032111312 |
11 | 81a1666554a |
12 | 35115160154 |
13 | 16cc1017978 |
14 | a39609b840 |
15 | 57ae939427 |
hex | 315e1942d0 |
212032111312 has 80 divisors (see below), whose sum is σ = 497604079872. Its totient is φ = 85441812480.
The previous prime is 212032111289. The next prime is 212032111367. The reversal of 212032111312 is 213111230212.
It is a super-2 number, since 2×2120321113122 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 212032111312.
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, 1909018 + ... + 2017030.
Almost surely, 2212032111312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212032111312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248802039936).
212032111312 is an abundant number, since it is smaller than the sum of its proper divisors (285571968560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212032111312 is a wasteful number, since it uses less digits than its factorization.
212032111312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109076 (or 109070 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 212032111312 its reverse (213111230212), we get a palindrome (425143341524).
The spelling of 212032111312 in words is "two hundred twelve billion, thirty-two million, one hundred eleven thousand, three hundred twelve".
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