Base | Representation |
---|---|
bin | 11011001000000110011… |
… | …101100010110110011001 |
3 | 20121012122000120210011210 |
4 | 123020012131202312121 |
5 | 221020211244332211 |
6 | 3544211123213333 |
7 | 251451510246201 |
oct | 33100635426631 |
9 | 6535560523153 |
10 | 1864124214681 |
11 | 659630581233 |
12 | 261343517249 |
13 | 106a2b2651c1 |
14 | 6631ccab401 |
15 | 337543ba9a6 |
hex | 1b206762d99 |
1864124214681 has 16 divisors (see below), whose sum is σ = 2492542281600. Its totient is φ = 1239228146688.
The previous prime is 1864124214679. The next prime is 1864124214737.
1864124214681 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1864124214681 - 21 = 1864124214679 is a prime.
It is a super-2 number, since 2×18641242146812 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1864124214681.
It is not an unprimeable number, because it can be changed into a prime (1864124214661) 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, 42874105 + ... + 42917561.
It is an arithmetic number, because the mean of its divisors is an integer number (155783892600).
Almost surely, 21864124214681 is an apocalyptic number.
It is an amenable number.
1864124214681 is a deficient number, since it is larger than the sum of its proper divisors (628418066919).
1864124214681 is a wasteful number, since it uses less digits than its factorization.
1864124214681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83648.
The product of its digits is 589824, while the sum is 48.
The spelling of 1864124214681 in words is "one trillion, eight hundred sixty-four billion, one hundred twenty-four million, two hundred fourteen thousand, six hundred eighty-one".
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