Base | Representation |
---|---|
bin | 1100010110010010111… |
… | …0000111111000110000 |
3 | 202021120121212200002010 |
4 | 3011210232013320300 |
5 | 11433432130210112 |
6 | 241242433122520 |
7 | 21220051350465 |
oct | 3054456077060 |
9 | 667517780063 |
10 | 212143210032 |
11 | 81a73347676 |
12 | 351463b9440 |
13 | 1700b046160 |
14 | a3a6b3b66c |
15 | 57b958263c |
hex | 3164b87e30 |
212143210032 has 160 divisors (see below), whose sum is σ = 604389316608. Its totient is φ = 63707148288.
The previous prime is 212143210007. The next prime is 212143210043. The reversal of 212143210032 is 230012341212.
It is a junction number, because it is equal to n+sod(n) for n = 212143209990 and 212143210008.
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, 48912568 + ... + 48916904.
Almost surely, 2212143210032 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 212143210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302194658304).
212143210032 is an abundant number, since it is smaller than the sum of its proper divisors (392246106576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212143210032 is a wasteful number, since it uses less digits than its factorization.
212143210032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6227 (or 6221 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212143210032 its reverse (230012341212), we get a palindrome (442155551244).
The spelling of 212143210032 in words is "two hundred twelve billion, one hundred forty-three million, two hundred ten thousand, thirty-two".
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