Base | Representation |
---|---|
bin | 100000001010100000110… |
… | …100100000111010100100 |
3 | 21211022012101200102000100 |
4 | 200022200310200322210 |
5 | 242203204143423022 |
6 | 4411223014144100 |
7 | 315455401103220 |
oct | 40124064407244 |
9 | 7738171612010 |
10 | 2210311311012 |
11 | 78242a126622 |
12 | 2b8458952030 |
13 | 13057bbcbcbc |
14 | 78da01ad780 |
15 | 3c7668051ac |
hex | 202a0d20ea4 |
2210311311012 has 72 divisors (see below), whose sum is σ = 6386396889600. Its totient is φ = 631413364608.
The previous prime is 2210311311011. The next prime is 2210311311079. The reversal of 2210311311012 is 2101131130122.
2210311311012 is a `hidden beast` number, since 22 + 10 + 311 + 311 + 0 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2210311311011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814189 + ... + 2254667.
It is an arithmetic number, because the mean of its divisors is an integer number (88699956800).
Almost surely, 22210311311012 is an apocalyptic number.
It is an amenable number.
2210311311012 is an abundant number, since it is smaller than the sum of its proper divisors (4176085578588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2210311311012 is a wasteful number, since it uses less digits than its factorization.
2210311311012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1446585 (or 1446580 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 2210311311012 its reverse (2101131130122), we get a palindrome (4311442441134).
The spelling of 2210311311012 in words is "two trillion, two hundred ten billion, three hundred eleven million, three hundred eleven thousand, twelve".
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