Base | Representation |
---|---|
bin | 10001101000101011011101… |
… | …00010100000110111110101 |
3 | 12002022102211112100202011211 |
4 | 20310111232202200313311 |
5 | 20040342210222210020 |
6 | 214251444204401421 |
7 | 11111562110136100 |
oct | 1064255642406765 |
9 | 162272745322154 |
10 | 38781114256885 |
11 | 113a1a83a81720 |
12 | 4424058846271 |
13 | 1884074408140 |
14 | 981031a79737 |
15 | 473bbc01585a |
hex | 23456e8a0df5 |
38781114256885 has 96 divisors (see below), whose sum is σ = 63607263721344. Its totient is φ = 22312874304000.
The previous prime is 38781114256873. The next prime is 38781114256897. The reversal of 38781114256885 is 58865241118783.
38781114256885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (38781114256873) and next prime (38781114256897).
It is a de Polignac number, because none of the positive numbers 2k-38781114256885 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38781114256885.
It is a congruent number.
It is an unprimeable number.
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 95 ways as a sum of consecutive naturals, for example, 305827195 + ... + 305953975.
It is an arithmetic number, because the mean of its divisors is an integer number (662575663764).
Almost surely, 238781114256885 is an apocalyptic number.
38781114256885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38781114256885 is a deficient number, since it is larger than the sum of its proper divisors (24826149464459).
38781114256885 is a wasteful number, since it uses less digits than its factorization.
38781114256885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135555 (or 135548 counting only the distinct ones).
The product of its digits is 103219200, while the sum is 67.
The spelling of 38781114256885 in words is "thirty-eight trillion, seven hundred eighty-one billion, one hundred fourteen million, two hundred fifty-six thousand, eight hundred eighty-five".
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