Base | Representation |
---|---|
bin | 110000010100010110111010… |
… | …011000111101111010100001 |
3 | 1000212102022010102211011002000 |
4 | 300110112322120331322201 |
5 | 210323141144321331200 |
6 | 2031543315135314213 |
7 | 62521665360505542 |
oct | 6024267230757241 |
9 | 1025368112734060 |
10 | 212505224011425 |
11 | 6178aa60a55764 |
12 | 1ba00b2967b969 |
13 | 917620619b647 |
14 | 3a6944455a4c9 |
15 | 1987b36548300 |
hex | c145ba63dea1 |
212505224011425 has 96 divisors (see below), whose sum is σ = 406962703672320. Its totient is φ = 108594172800000.
The previous prime is 212505224011391. The next prime is 212505224011463. The reversal of 212505224011425 is 524110422505212.
It is a happy number.
212505224011425 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 0 + 5 + 224 + 0 + 1 + 1 + 425 = 666.
212505224011425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212505224011425 - 214 = 212505223995041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212505224011425.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48161656 + ... + 52388505.
It is an arithmetic number, because the mean of its divisors is an integer number (4239194829920).
Almost surely, 2212505224011425 is an apocalyptic number.
212505224011425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
212505224011425 is a deficient number, since it is larger than the sum of its proper divisors (194457479660895).
212505224011425 is a wasteful number, since it uses less digits than its factorization.
212505224011425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100550312 (or 100550301 counting only the distinct ones).
The product of its (nonzero) digits is 64000, while the sum is 36.
Adding to 212505224011425 its reverse (524110422505212), we get a palindrome (736615646516637).
The spelling of 212505224011425 in words is "two hundred twelve trillion, five hundred five billion, two hundred twenty-four million, eleven thousand, four hundred twenty-five".
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