Base | Representation |
---|---|
bin | 1100011010101110001… |
… | …0110100111111000000 |
3 | 202101122102201120022110 |
4 | 3012223202310333000 |
5 | 11443400321300420 |
6 | 242000400535320 |
7 | 21261360150555 |
oct | 3065342647700 |
9 | 671572646273 |
10 | 213331431360 |
11 | 82523038973 |
12 | 35418321540 |
13 | 1716a2752b8 |
14 | a47a882a2c |
15 | 5838a42ee0 |
hex | 31ab8b4fc0 |
213331431360 has 56 divisors (see below), whose sum is σ = 677327297616. Its totient is φ = 56888381440.
The previous prime is 213331431331. The next prime is 213331431367. The reversal of 213331431360 is 63134133312.
213331431360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2133314313602 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213331431367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111109161 + ... + 111111080.
Almost surely, 2213331431360 is an apocalyptic number.
213331431360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213331431360 is an abundant number, since it is smaller than the sum of its proper divisors (463995866256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213331431360 is a wasteful number, since it uses less digits than its factorization.
213331431360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222220261 (or 222220251 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 30.
Adding to 213331431360 its reverse (63134133312), we get a palindrome (276465564672).
The spelling of 213331431360 in words is "two hundred thirteen billion, three hundred thirty-one million, four hundred thirty-one thousand, three hundred sixty".
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