Base | Representation |
---|---|
bin | 1100010101110000110… |
… | …0010111101111001011 |
3 | 202021012122200011211110 |
4 | 3011130030113233023 |
5 | 11433134014104311 |
6 | 241220322501403 |
7 | 21213363331353 |
oct | 3053414275713 |
9 | 667178604743 |
10 | 212000144331 |
11 | 819aa611258 |
12 | 35106504863 |
13 | 16cb75045b1 |
14 | a391b39b63 |
15 | 57abc228a6 |
hex | 315c317bcb |
212000144331 has 16 divisors (see below), whose sum is σ = 283344066944. Its totient is φ = 140994955584.
The previous prime is 212000144329. The next prime is 212000144401. The reversal of 212000144331 is 133441000212.
It is not a de Polignac number, because 212000144331 - 21 = 212000144329 is a prime.
It is a super-2 number, since 2×2120001443312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212000144298 and 212000144307.
It is not an unprimeable number, because it can be changed into a prime (212000144231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8107380 + ... + 8133486.
It is an arithmetic number, because the mean of its divisors is an integer number (17709004184).
Almost surely, 2212000144331 is an apocalyptic number.
212000144331 is a deficient number, since it is larger than the sum of its proper divisors (71343922613).
212000144331 is a wasteful number, since it uses less digits than its factorization.
212000144331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32490.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212000144331 its reverse (133441000212), we get a palindrome (345441144543).
The spelling of 212000144331 in words is "two hundred twelve billion, one hundred forty-four thousand, three hundred thirty-one".
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