Base | Representation |
---|---|
bin | 11111000111001001001011… |
… | …00001010101000000111111 |
3 | 22222020102111101020112102020 |
4 | 33203210211201111000333 |
5 | 32431403223332124212 |
6 | 401301254154131223 |
7 | 20260555350056562 |
oct | 1743444541250077 |
9 | 288212441215366 |
10 | 68415163551807 |
11 | 1a887787277636 |
12 | 780b397a20b13 |
13 | 2c236a3492037 |
14 | 12c7450db44d9 |
15 | 7d997e780d8c |
hex | 3e392585503f |
68415163551807 has 16 divisors (see below), whose sum is σ = 91240714897920. Its totient is φ = 45599861225600.
The previous prime is 68415163551803. The next prime is 68415163551869. The reversal of 68415163551807 is 70815536151486.
68415163551807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 68415163551807 - 22 = 68415163551803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68415163551803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655460119 + ... + 655564487.
It is an arithmetic number, because the mean of its divisors is an integer number (5702544681120).
Almost surely, 268415163551807 is an apocalyptic number.
68415163551807 is a deficient number, since it is larger than the sum of its proper divisors (22825551346113).
68415163551807 is a wasteful number, since it uses less digits than its factorization.
68415163551807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151374.
The product of its (nonzero) digits is 24192000, while the sum is 60.
The spelling of 68415163551807 in words is "sixty-eight trillion, four hundred fifteen billion, one hundred sixty-three million, five hundred fifty-one thousand, eight hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •