Base | Representation |
---|---|
bin | 111111100100111010… |
… | …100010101000001110 |
3 | 20112012111202101211002 |
4 | 333210322202220032 |
5 | 2104301323422003 |
6 | 51205513100302 |
7 | 4634446305050 |
oct | 774472425016 |
9 | 215174671732 |
10 | 68265060878 |
11 | 26a50935693 |
12 | 112919b7692 |
13 | 658bb86c61 |
14 | 34384378d0 |
15 | 1b98159a88 |
hex | fe4ea2a0e |
68265060878 has 16 divisors (see below), whose sum is σ = 120800845824. Its totient is φ = 28312697880.
The previous prime is 68265060869. The next prime is 68265060949. The reversal of 68265060878 is 87806056286.
It is a super-2 number, since 2×682650608782 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 78645950 + ... + 78646817.
It is an arithmetic number, because the mean of its divisors is an integer number (7550052864).
Almost surely, 268265060878 is an apocalyptic number.
68265060878 is a deficient number, since it is larger than the sum of its proper divisors (52535784946).
68265060878 is a wasteful number, since it uses less digits than its factorization.
68265060878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157292807.
The product of its (nonzero) digits is 7741440, while the sum is 56.
The spelling of 68265060878 in words is "sixty-eight billion, two hundred sixty-five million, sixty thousand, eight hundred seventy-eight".
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