Base | Representation |
---|---|
bin | 111110111100010… |
… | …0010111010001010 |
3 | 12110012001110010011 |
4 | 1331320202322022 |
5 | 13311131200200 |
6 | 545322542134 |
7 | 103223330443 |
oct | 17570427212 |
9 | 5405043104 |
10 | 2111975050 |
11 | 994178129 |
12 | 4ab36794a |
13 | 2787216a3 |
14 | 1606c62ca |
15 | c56305ba |
hex | 7de22e8a |
2111975050 has 24 divisors (see below), whose sum is σ = 3931584300. Its totient is φ = 844078080.
The previous prime is 2111975029. The next prime is 2111975053. The reversal of 2111975050 is 505791112.
It can be written as a sum of positive squares in 6 ways, for example, as 1968430689 + 143544361 = 44367^2 + 11981^2 .
It is a super-2 number, since 2×21119750502 = 8920877223645005000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2111975053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44266 + ... + 78634.
Almost surely, 22111975050 is an apocalyptic number.
2111975050 is a deficient number, since it is larger than the sum of its proper divisors (1819609250).
2111975050 is a wasteful number, since it uses less digits than its factorization.
2111975050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35610 (or 35605 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 31.
The square root of 2111975050 is about 45956.2297191578. The cubic root of 2111975050 is about 1283.0086797069.
It can be divided in two parts, 21119 and 75050, that added together give a palindrome (96169).
The spelling of 2111975050 in words is "two billion, one hundred eleven million, nine hundred seventy-five thousand, fifty".
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