Base | Representation |
---|---|
bin | 10100101100100010… |
… | …001111111100110010 |
3 | 2010100200122011222021 |
4 | 110230202033330302 |
5 | 331002313342320 |
6 | 14113022502054 |
7 | 1414452662416 |
oct | 245442177462 |
9 | 63320564867 |
10 | 22222012210 |
11 | 9473823752 |
12 | 438213492a |
13 | 2131b45568 |
14 | 110b452d46 |
15 | 8a0d84daa |
hex | 52c88ff32 |
22222012210 has 16 divisors (see below), whose sum is σ = 42104865600. Its totient is φ = 8420972976.
The previous prime is 22222012201. The next prime is 22222012243. The reversal of 22222012210 is 1221022222.
It is a super-2 number, since 2×222220122102 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58478790 + ... + 58479169.
It is an arithmetic number, because the mean of its divisors is an integer number (2631554100).
Almost surely, 222222012210 is an apocalyptic number.
22222012210 is a deficient number, since it is larger than the sum of its proper divisors (19882853390).
22222012210 is a wasteful number, since it uses less digits than its factorization.
22222012210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116957985.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 22222012210 its reverse (1221022222), we get a palindrome (23443034432).
It can be divided in two parts, 22222012 and 210, that added together give a palindrome (22222222).
The spelling of 22222012210 in words is "twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred ten".
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