Base | Representation |
---|---|
bin | 11111010001100111101111… |
… | …00110101010111011110110 |
3 | 100000111211201212201222220010 |
4 | 33220303313212222323312 |
5 | 33003303022114000423 |
6 | 402134513243321050 |
7 | 20325561560202564 |
oct | 1750636746527366 |
9 | 300454655658803 |
10 | 68775170453238 |
11 | 1aa06427835057 |
12 | 7869109520186 |
13 | 2c4b6172c61c2 |
14 | 12daa43884a34 |
15 | 7e40000a7693 |
hex | 3e8cf79aaef6 |
68775170453238 has 16 divisors (see below), whose sum is σ = 137557835832816. Its totient is φ = 22923807663360.
The previous prime is 68775170453221. The next prime is 68775170453239. The reversal of 68775170453238 is 83235407157786.
68775170453238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68775170453239) 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, 312169303 + ... + 312389538.
It is an arithmetic number, because the mean of its divisors is an integer number (8597364739551).
Almost surely, 268775170453238 is an apocalyptic number.
68775170453238 is an abundant number, since it is smaller than the sum of its proper divisors (68782665379578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68775170453238 is a wasteful number, since it uses less digits than its factorization.
68775170453238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624577199.
The product of its (nonzero) digits is 237081600, while the sum is 66.
The spelling of 68775170453238 in words is "sixty-eight trillion, seven hundred seventy-five billion, one hundred seventy million, four hundred fifty-three thousand, two hundred thirty-eight".
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