Base | Representation |
---|---|
bin | 1100001111001000110… |
… | …1010101011011010000 |
3 | 202002121201210200222121 |
4 | 3003302031111123100 |
5 | 11421013313341422 |
6 | 240324043144024 |
7 | 21121332422410 |
oct | 3036215253320 |
9 | 662551720877 |
10 | 210222012112 |
11 | 811779331a2 |
12 | 348aab15014 |
13 | 16a92cccb58 |
14 | a263916640 |
15 | 5705a888c7 |
hex | 30f23556d0 |
210222012112 has 80 divisors (see below), whose sum is σ = 472361512960. Its totient is φ = 88770225024.
The previous prime is 210222012101. The next prime is 210222012149. The reversal of 210222012112 is 211210222012.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284583 + ... + 4333369.
It is an arithmetic number, because the mean of its divisors is an integer number (5904518912).
Almost surely, 2210222012112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210222012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236180756480).
210222012112 is an abundant number, since it is smaller than the sum of its proper divisors (262139500848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210222012112 is a wasteful number, since it uses less digits than its factorization.
210222012112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49368 (or 49362 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 210222012112 its reverse (211210222012), we get a palindrome (421432234124).
The spelling of 210222012112 in words is "two hundred ten billion, two hundred twenty-two million, twelve thousand, one hundred twelve".
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