Base | Representation |
---|---|
bin | 1100010110001111110… |
… | …0100000001011011100 |
3 | 202021112201101210212110 |
4 | 3011203330200023130 |
5 | 11433420312433312 |
6 | 241241250234020 |
7 | 21216532653246 |
oct | 3054374401334 |
9 | 667481353773 |
10 | 212130202332 |
11 | 81a66a72804 |
12 | 35141b85910 |
13 | 170084405a9 |
14 | a3a5113096 |
15 | 57b836343c |
hex | 3163f202dc |
212130202332 has 24 divisors (see below), whose sum is σ = 524086382736. Its totient is φ = 66550651648.
The previous prime is 212130202313. The next prime is 212130202337. The reversal of 212130202332 is 233202031212.
It is a happy number.
It is a super-3 number, since 3×2121302023323 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212130202299 and 212130202308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212130202337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519926763 + ... + 519927170.
It is an arithmetic number, because the mean of its divisors is an integer number (21836932614).
Almost surely, 2212130202332 is an apocalyptic number.
It is an amenable number.
212130202332 is an abundant number, since it is smaller than the sum of its proper divisors (311956180404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212130202332 is a wasteful number, since it uses less digits than its factorization.
212130202332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1039853957 (or 1039853955 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 212130202332 its reverse (233202031212), we get a palindrome (445332233544).
The spelling of 212130202332 in words is "two hundred twelve billion, one hundred thirty million, two hundred two thousand, three hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •