Base | Representation |
---|---|
bin | 111001000000110000… |
… | …1011001011101110100 |
3 | 102201000111121002210002 |
4 | 1302001201121131310 |
5 | 4001220104201322 |
6 | 132124452450432 |
7 | 11562660452402 |
oct | 1620141313564 |
9 | 381014532702 |
10 | 122432100212 |
11 | 47a17801aa4 |
12 | 1b88a319a18 |
13 | b712031c16 |
14 | 5cd6360472 |
15 | 32b876cc92 |
hex | 1c81859774 |
122432100212 has 36 divisors (see below), whose sum is σ = 228365470116. Its totient is φ = 57419884800.
The previous prime is 122432100181. The next prime is 122432100223. The reversal of 122432100212 is 212001234221.
It can be written as a sum of positive squares in 2 ways, for example, as 96692390116 + 25739710096 = 310954^2 + 160436^2 .
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 273893 + ... + 565580.
It is an arithmetic number, because the mean of its divisors is an integer number (6343485281).
Almost surely, 2122432100212 is an apocalyptic number.
It is an amenable number.
122432100212 is a deficient number, since it is larger than the sum of its proper divisors (105933369904).
122432100212 is a wasteful number, since it uses less digits than its factorization.
122432100212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 839616 (or 839595 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 122432100212 its reverse (212001234221), we get a palindrome (334433334433).
The spelling of 122432100212 in words is "one hundred twenty-two billion, four hundred thirty-two million, one hundred thousand, two hundred twelve".
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