Base | Representation |
---|---|
bin | 111111101011111… |
… | …0001100101100100 |
3 | 12111221000202000102 |
4 | 1333113301211210 |
5 | 13334024020402 |
6 | 552014003232 |
7 | 103645452266 |
oct | 17727614544 |
9 | 5457022012 |
10 | 2136938852 |
11 | 9a7278874 |
12 | 4b77a6518 |
13 | 280952279 |
14 | 163b43b36 |
15 | c7912102 |
hex | 7f5f1964 |
2136938852 has 12 divisors (see below), whose sum is σ = 3760305276. Its totient is φ = 1062565920.
The previous prime is 2136938827. The next prime is 2136938857. The reversal of 2136938852 is 2588396312.
It can be written as a sum of positive squares in 2 ways, for example, as 1171966756 + 964972096 = 34234^2 + 31064^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2136938797 and 2136938806.
It is not an unprimeable number, because it can be changed into a prime (2136938857) 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 3 ways as a sum of consecutive naturals, for example, 1475063 + ... + 1476510.
It is an arithmetic number, because the mean of its divisors is an integer number (313358773).
Almost surely, 22136938852 is an apocalyptic number.
It is an amenable number.
2136938852 is a deficient number, since it is larger than the sum of its proper divisors (1623366424).
2136938852 is a wasteful number, since it uses less digits than its factorization.
2136938852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2951758 (or 2951756 counting only the distinct ones).
The product of its digits is 622080, while the sum is 47.
The square root of 2136938852 is about 46227.0359421843. The cubic root of 2136938852 is about 1288.0439983748.
The spelling of 2136938852 in words is "two billion, one hundred thirty-six million, nine hundred thirty-eight thousand, eight hundred fifty-two".
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