Base | Representation |
---|---|
bin | 111111100001100101… |
… | …001010110111011101 |
3 | 20112001121111122210102 |
4 | 333201211022313131 |
5 | 2104143014030002 |
6 | 51200154150445 |
7 | 4633200004133 |
oct | 774145126735 |
9 | 215047448712 |
10 | 68209126877 |
11 | 26a22301641 |
12 | 11277122425 |
13 | 6580401908 |
14 | 3430c37753 |
15 | 1b932aba02 |
hex | fe194addd |
68209126877 has 8 divisors (see below), whose sum is σ = 72741009600. Its totient is φ = 63734975424.
The previous prime is 68209126871. The next prime is 68209126903. The reversal of 68209126877 is 77862190286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68209126877 - 224 = 68192349661 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68209126871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14430377 + ... + 14435102.
It is an arithmetic number, because the mean of its divisors is an integer number (9092626200).
Almost surely, 268209126877 is an apocalyptic number.
It is an amenable number.
68209126877 is a deficient number, since it is larger than the sum of its proper divisors (4531882723).
68209126877 is a wasteful number, since it uses less digits than its factorization.
68209126877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28865635.
The product of its (nonzero) digits is 4064256, while the sum is 56.
The spelling of 68209126877 in words is "sixty-eight billion, two hundred nine million, one hundred twenty-six thousand, eight hundred seventy-seven".
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