Base | Representation |
---|---|
bin | 1100010101111000001… |
… | …0001100101101001110 |
3 | 202021021210210102221110 |
4 | 3011132002030231032 |
5 | 11433214421012032 |
6 | 241223344512450 |
7 | 21214220015316 |
oct | 3053602145516 |
9 | 667253712843 |
10 | 212031032142 |
11 | 81a15a98776 |
12 | 3511491b726 |
13 | 16cc0a2a6c7 |
14 | a395c9a446 |
15 | 57ae7c47cc |
hex | 315e08cb4e |
212031032142 has 8 divisors (see below), whose sum is σ = 424062064296. Its totient is φ = 70677010712.
The previous prime is 212031032111. The next prime is 212031032159. The reversal of 212031032142 is 241230130212.
It is a sphenic number, since it is the product of 3 distinct primes.
212031032142 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17669252673 + ... + 17669252684.
It is an arithmetic number, because the mean of its divisors is an integer number (53007758037).
Almost surely, 2212031032142 is an apocalyptic number.
212031032142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212031032142 is a wasteful number, since it uses less digits than its factorization.
212031032142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35338505362.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212031032142 its reverse (241230130212), we get a palindrome (453261162354).
The spelling of 212031032142 in words is "two hundred twelve billion, thirty-one million, thirty-two thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •