Base | Representation |
---|---|
bin | 111111100000111110… |
… | …100110000001010101 |
3 | 20112000220110220012101 |
4 | 333200332212001111 |
5 | 2104132421430420 |
6 | 51155153322101 |
7 | 4633015026010 |
oct | 774076460125 |
9 | 215026426171 |
10 | 68199014485 |
11 | 26a17624a98 |
12 | 11273866331 |
13 | 657b2a0b54 |
14 | 342d764377 |
15 | 1b9246060a |
hex | fe0fa6055 |
68199014485 has 16 divisors (see below), whose sum is σ = 98452713600. Its totient is φ = 44303720256.
The previous prime is 68199014483. The next prime is 68199014519. The reversal of 68199014485 is 58441099186.
It is a cyclic number.
It is not a de Polignac number, because 68199014485 - 21 = 68199014483 is a prime.
It is a super-2 number, since 2×681990144852 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68199014483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51276790 + ... + 51278119.
It is an arithmetic number, because the mean of its divisors is an integer number (6153294600).
Almost surely, 268199014485 is an apocalyptic number.
It is an amenable number.
68199014485 is a deficient number, since it is larger than the sum of its proper divisors (30253699115).
68199014485 is a wasteful number, since it uses less digits than its factorization.
68199014485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102554940.
The product of its (nonzero) digits is 2488320, while the sum is 55.
The spelling of 68199014485 in words is "sixty-eight billion, one hundred ninety-nine million, fourteen thousand, four hundred eighty-five".
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