Base | Representation |
---|---|
bin | 1000001110111101… |
… | …0010010110011111 |
3 | 12201000220100211020 |
4 | 2003233102112133 |
5 | 14011303224411 |
6 | 1003152255223 |
7 | 105525325344 |
oct | 20357222637 |
9 | 5630810736 |
10 | 2210211231 |
11 | a34674458 |
12 | 518241513 |
13 | 292b983c7 |
14 | 16d7787cb |
15 | ce087606 |
hex | 83bd259f |
2210211231 has 32 divisors (see below), whose sum is σ = 3082469376. Its totient is φ = 1407456000.
The previous prime is 2210211229. The next prime is 2210211257. The reversal of 2210211231 is 1321120122.
It is not a de Polignac number, because 2210211231 - 21 = 2210211229 is a prime.
It is a super-2 number, since 2×22102112312 = 9770067371277070722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2210211231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210211221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032770 + ... + 2033856.
It is an arithmetic number, because the mean of its divisors is an integer number (96327168).
Almost surely, 22210211231 is an apocalyptic number.
2210211231 is a deficient number, since it is larger than the sum of its proper divisors (872258145).
2210211231 is a wasteful number, since it uses less digits than its factorization.
2210211231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1463.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2210211231 is about 47012.8836703302. The cubic root of 2210211231 is about 1302.6005597750.
Adding to 2210211231 its reverse (1321120122), we get a palindrome (3531331353).
It can be divided in two parts, 22102 and 11231, that added together give a palindrome (33333).
The spelling of 2210211231 in words is "two billion, two hundred ten million, two hundred eleven thousand, two hundred thirty-one".
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