Base | Representation |
---|---|
bin | 100000001010010100010… |
… | …110111001100110011100 |
3 | 21211021122211020112201200 |
4 | 200022110112321212130 |
5 | 242202242132034322 |
6 | 4411150144435500 |
7 | 315450251630034 |
oct | 40122426714634 |
9 | 7737584215650 |
10 | 2210102221212 |
11 | 7823320a5336 |
12 | 2b83ba918b90 |
13 | 1305477b1522 |
14 | 78d805028c4 |
15 | 3c7532a28ac |
hex | 202945b999c |
2210102221212 has 18 divisors (see below), whose sum is σ = 5586647281488. Its totient is φ = 736700740392.
The previous prime is 2210102221207. The next prime is 2210102221259. The reversal of 2210102221212 is 2121222010122.
It is a happy number.
2210102221212 is a `hidden beast` number, since 221 + 0 + 10 + 2 + 221 + 212 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30695864148 + ... + 30695864219.
It is an arithmetic number, because the mean of its divisors is an integer number (310369293416).
Almost surely, 22210102221212 is an apocalyptic number.
It is an amenable number.
2210102221212 is an abundant number, since it is smaller than the sum of its proper divisors (3376545060276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2210102221212 is a wasteful number, since it uses less digits than its factorization.
2210102221212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61391728377 (or 61391728372 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2210102221212 its reverse (2121222010122), we get a palindrome (4331324231334).
The spelling of 2210102221212 in words is "two trillion, two hundred ten billion, one hundred two million, two hundred twenty-one thousand, two hundred twelve".
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