Base | Representation |
---|---|
bin | 100000001100010010100… |
… | …101111110010111100000 |
3 | 21211111010102102001011000 |
4 | 200030102211332113200 |
5 | 242221111321231422 |
6 | 4412140242152000 |
7 | 315553606415646 |
oct | 40142245762740 |
9 | 7744112361130 |
10 | 2212220102112 |
11 | 783219636629 |
12 | 2b88b0052600 |
13 | 1307c44c00a7 |
14 | 791018c5196 |
15 | 3c82919ccac |
hex | 2031297e5e0 |
2212220102112 has 192 divisors, whose sum is σ = 6611778835200. Its totient is φ = 719372459520.
The previous prime is 2212220102111. The next prime is 2212220102119. The reversal of 2212220102112 is 2112010222122.
It is a happy number.
2212220102112 is a `hidden beast` number, since 221 + 2 + 220 + 10 + 211 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212220102111) 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, 6512218 + ... + 6843494.
It is an arithmetic number, because the mean of its divisors is an integer number (34436348100).
Almost surely, 22212220102112 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 2212220102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305889417600).
2212220102112 is an abundant number, since it is smaller than the sum of its proper divisors (4399558733088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212220102112 is a wasteful number, since it uses less digits than its factorization.
2212220102112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331486 (or 331472 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2212220102112 its reverse (2112010222122), we get a palindrome (4324230324234).
The spelling of 2212220102112 in words is "two trillion, two hundred twelve billion, two hundred twenty million, one hundred two thousand, one hundred twelve".
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