Base | Representation |
---|---|
bin | 111111101010100… |
… | …1010101011100101 |
3 | 12111212202000020011 |
4 | 1333111022223211 |
5 | 13333340131310 |
6 | 551551210221 |
7 | 103636604200 |
oct | 17725125345 |
9 | 5455660204 |
10 | 2136255205 |
11 | 9a6951177 |
12 | 4b7516971 |
13 | 280773046 |
14 | 163a06937 |
15 | c782978a |
hex | 7f54aae5 |
2136255205 has 24 divisors (see below), whose sum is σ = 2984297472. Its totient is φ = 1463751072.
The previous prime is 2136255193. The next prime is 2136255223. The reversal of 2136255205 is 5025526312.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-2136255205 is a prime.
It is a Duffinian number.
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 23 ways as a sum of consecutive naturals, for example, 444244 + ... + 449026.
It is an arithmetic number, because the mean of its divisors is an integer number (124345728).
Almost surely, 22136255205 is an apocalyptic number.
It is an amenable number.
2136255205 is a deficient number, since it is larger than the sum of its proper divisors (848042267).
2136255205 is a wasteful number, since it uses less digits than its factorization.
2136255205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6625 (or 6618 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 31.
The square root of 2136255205 is about 46219.6409008119. The cubic root of 2136255205 is about 1287.9066272104.
It can be divided in two parts, 21362 and 55205, that added together give a palindrome (76567).
The spelling of 2136255205 in words is "two billion, one hundred thirty-six million, two hundred fifty-five thousand, two hundred five".
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