Base | Representation |
---|---|
bin | 1101111001101010011… |
… | …0101010010000001101 |
3 | 211211102120100222020020 |
4 | 3132122212222100031 |
5 | 12403044124331320 |
6 | 301413325412353 |
7 | 23153052144120 |
oct | 3363246522015 |
9 | 754376328206 |
10 | 238817027085 |
11 | 92310a9317a |
12 | 3a34b40a0b9 |
13 | 1969c28c460 |
14 | b7b75123b7 |
15 | 632b185940 |
hex | 379a9aa40d |
238817027085 has 64 divisors (see below), whose sum is σ = 495037777920. Its totient is φ = 95471550720.
The previous prime is 238817027083. The next prime is 238817027117. The reversal of 238817027085 is 580720718832.
238817027085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238817027085 - 21 = 238817027083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238817027083) 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 63 ways as a sum of consecutive naturals, for example, 4578211 + ... + 4630080.
It is an arithmetic number, because the mean of its divisors is an integer number (7734965280).
Almost surely, 2238817027085 is an apocalyptic number.
It is an amenable number.
238817027085 is an abundant number, since it is smaller than the sum of its proper divisors (256220750835).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238817027085 is a wasteful number, since it uses less digits than its factorization.
238817027085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9208338.
The product of its (nonzero) digits is 1505280, while the sum is 51.
The spelling of 238817027085 in words is "two hundred thirty-eight billion, eight hundred seventeen million, twenty-seven thousand, eighty-five".
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