Base | Representation |
---|---|
bin | 1100010111010011000… |
… | …0011001000101111111 |
3 | 202022021101002211011110 |
4 | 3011310300121011333 |
5 | 11440010013142010 |
6 | 241325243253103 |
7 | 21226526152245 |
oct | 3056460310577 |
9 | 668241084143 |
10 | 212412240255 |
11 | 820a1198aa6 |
12 | 3520051a193 |
13 | 170519bc737 |
14 | a3d076c795 |
15 | 57d2ec5120 |
hex | 3174c1917f |
212412240255 has 16 divisors (see below), whose sum is σ = 339888029184. Its totient is φ = 113277046560.
The previous prime is 212412240233. The next prime is 212412240259. The reversal of 212412240255 is 552042214212.
It is not a de Polignac number, because 212412240255 - 25 = 212412240223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212412240259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405499 + ... + 767628.
It is an arithmetic number, because the mean of its divisors is an integer number (21243001824).
Almost surely, 2212412240255 is an apocalyptic number.
212412240255 is a deficient number, since it is larger than the sum of its proper divisors (127475788929).
212412240255 is a wasteful number, since it uses less digits than its factorization.
212412240255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1185206.
The product of its (nonzero) digits is 12800, while the sum is 30.
Adding to 212412240255 its reverse (552042214212), we get a palindrome (764454454467).
The spelling of 212412240255 in words is "two hundred twelve billion, four hundred twelve million, two hundred forty thousand, two hundred fifty-five".
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