Base | Representation |
---|---|
bin | 111110111100010… |
… | …1011111110110010 |
3 | 12110012010100002110 |
4 | 1331320223332302 |
5 | 13311133342320 |
6 | 545323430150 |
7 | 103223544000 |
oct | 17570537662 |
9 | 5405110073 |
10 | 2112012210 |
11 | 9941a3040 |
12 | 4ab385356 |
13 | 278735589 |
14 | 1606d5a70 |
15 | c563b5e0 |
hex | 7de2bfb2 |
2112012210 has 256 divisors, whose sum is σ = 6602342400. Its totient is φ = 428440320.
The previous prime is 2112012193. The next prime is 2112012223. The reversal of 2112012210 is 122102112.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5319732 + ... + 5320128.
It is an arithmetic number, because the mean of its divisors is an integer number (25790400).
Almost surely, 22112012210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2112012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3301171200).
2112012210 is an abundant number, since it is smaller than the sum of its proper divisors (4490330190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112012210 is a wasteful number, since it uses less digits than its factorization.
2112012210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486 (or 472 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2112012210 is about 45956.6340151234. The cubic root of 2112012210 is about 1283.0162044679.
Adding to 2112012210 its reverse (122102112), we get a palindrome (2234114322).
The spelling of 2112012210 in words is "two billion, one hundred twelve million, twelve thousand, two hundred ten".
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