Base | Representation |
---|---|
bin | 1100100000111010001… |
… | …0010000111001001000 |
3 | 202112221011210202212212 |
4 | 3020032202100321020 |
5 | 12010301002243122 |
6 | 242433245324252 |
7 | 21350464533200 |
oct | 3101642207110 |
9 | 675834722785 |
10 | 214992227912 |
11 | 831a5564a00 |
12 | 35800566688 |
13 | 17373376757 |
14 | a597281400 |
15 | 58d4750ce2 |
hex | 320e890e48 |
214992227912 has 108 divisors (see below), whose sum is σ = 515671484265. Its totient is φ = 83723861760.
The previous prime is 214992227911. The next prime is 214992227917. The reversal of 214992227912 is 219722299412.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 200967510436 + 14024717476 = 448294^2 + 118426^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=327866.
It is not an unprimeable number, because it can be changed into a prime (214992227911) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100981664 + ... + 100983792.
Almost surely, 2214992227912 is an apocalyptic number.
214992227912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 214992227912
214992227912 is an abundant number, since it is smaller than the sum of its proper divisors (300679256353).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214992227912 is an equidigital number, since it uses as much as digits as its factorization.
214992227912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4300 (or 2149 counting only the distinct ones).
The product of its digits is 653184, while the sum is 50.
Multiplying 214992227912 by its sum of digits (50), we get a square (10749611395600 = 32786602).
The spelling of 214992227912 in words is "two hundred fourteen billion, nine hundred ninety-two million, two hundred twenty-seven thousand, nine hundred twelve".
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