Base | Representation |
---|---|
bin | 1100010011100001101… |
… | …1000111111111100110 |
3 | 202012122211110022210100 |
4 | 3010320123013333212 |
5 | 11430421402012410 |
6 | 241041004204530 |
7 | 21162455424402 |
oct | 3047033077746 |
9 | 665584408710 |
10 | 211400032230 |
11 | 81721897142 |
12 | 34b79539746 |
13 | 16c2009998a |
14 | a336164102 |
15 | 57741d18c0 |
hex | 31386c7fe6 |
211400032230 has 48 divisors (see below), whose sum is σ = 549663725520. Its totient is φ = 56370917184.
The previous prime is 211400032213. The next prime is 211400032231. The reversal of 211400032230 is 32230004112.
211400032230 is a `hidden beast` number, since 2 + 1 + 1 + 400 + 0 + 32 + 230 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211400032231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3231829 + ... + 3296591.
It is an arithmetic number, because the mean of its divisors is an integer number (11451327615).
Almost surely, 2211400032230 is an apocalyptic number.
211400032230 is an abundant number, since it is smaller than the sum of its proper divisors (338263693290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211400032230 is a wasteful number, since it uses less digits than its factorization.
211400032230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101045 (or 101042 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 211400032230 its reverse (32230004112), we get a palindrome (243630036342).
The spelling of 211400032230 in words is "two hundred eleven billion, four hundred million, thirty-two thousand, two hundred thirty".
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