Base | Representation |
---|---|
bin | 1100011000101100100… |
… | …0011011110010001010 |
3 | 202100020112111011211121 |
4 | 3012023020123302022 |
5 | 11441242114011412 |
6 | 241430413345454 |
7 | 21242035052413 |
oct | 3061310336212 |
9 | 670215434747 |
10 | 212787641482 |
11 | 82274092549 |
12 | 352a619828a |
13 | 170b16ca640 |
14 | a42856c80a |
15 | 5805e2a107 |
hex | 318b21bc8a |
212787641482 has 8 divisors (see below), whose sum is σ = 343733882436. Its totient is φ = 98209680672.
The previous prime is 212787641401. The next prime is 212787641489. The reversal of 212787641482 is 284146787212.
It can be written as a sum of positive squares in 2 ways, for example, as 210296533561 + 2491107921 = 458581^2 + 49911^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (212787641489) 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 3 ways as a sum of consecutive naturals, for example, 4092070003 + ... + 4092070054.
Almost surely, 2212787641482 is an apocalyptic number.
212787641482 is a deficient number, since it is larger than the sum of its proper divisors (130946240954).
212787641482 is a wasteful number, since it uses less digits than its factorization.
212787641482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8184140072.
The product of its digits is 2408448, while the sum is 52.
The spelling of 212787641482 in words is "two hundred twelve billion, seven hundred eighty-seven million, six hundred forty-one thousand, four hundred eighty-two".
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