Base | Representation |
---|---|
bin | 100000001010001110101… |
… | …001000011111100100001 |
3 | 21211021102010210012110111 |
4 | 200022032221003330201 |
5 | 242202043104201011 |
6 | 4411132441131321 |
7 | 315445005522304 |
oct | 40121651037441 |
9 | 7737363705414 |
10 | 2210006318881 |
11 | 782292a52509 |
12 | 2b8392789b41 |
13 | 130530973b9a |
14 | 78d7189ab3b |
15 | 3c749b5c121 |
hex | 2028ea43f21 |
2210006318881 has 3 divisors (see below), whose sum is σ = 2210007805491. Its totient is φ = 2210004832272.
The previous prime is 2210006318873. The next prime is 2210006318887. The reversal of 2210006318881 is 1888136000122.
The square root of 2210006318881 is 1486609.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 13326624481 + 2196679694400 = 115441^2 + 1482120^2 .
It is not a de Polignac number, because 2210006318881 - 23 = 2210006318873 is a prime.
It is a super-2 number, since 2×22100063188812 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2210006318887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 743305 + ... + 2229913.
It is an arithmetic number, because the mean of its divisors is an integer number (736669268497).
Almost surely, 22210006318881 is an apocalyptic number.
2210006318881 is the 1486609-th square number.
2210006318881 is the 743305-th centered octagonal number.
It is an amenable number.
2210006318881 is a deficient number, since it is larger than the sum of its proper divisors (1486610).
2210006318881 is an frugal number, since it uses more digits than its factorization.
2210006318881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2973218 (or 1486609 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 40.
The spelling of 2210006318881 in words is "two trillion, two hundred ten billion, six million, three hundred eighteen thousand, eight hundred eighty-one".
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