Base | Representation |
---|---|
bin | 111110101101100… |
… | …0101001000110011 |
3 | 12102122112000121200 |
4 | 1331123011020303 |
5 | 13302142012211 |
6 | 544445222243 |
7 | 103100560236 |
oct | 17533051063 |
9 | 5378460550 |
10 | 2104250931 |
11 | 98a881962 |
12 | 4a8861983 |
13 | 276c489c3 |
14 | 15d67541d |
15 | c4b06b56 |
hex | 7d6c5233 |
2104250931 has 12 divisors (see below), whose sum is σ = 3199446120. Its totient is φ = 1329000480.
The previous prime is 2104250921. The next prime is 2104250947. The reversal of 2104250931 is 1390524012.
It is not a de Polignac number, because 2104250931 - 217 = 2104119859 is a prime.
It is a super-2 number, since 2×21042509312 = 8855743961228733522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2104250895 and 2104250904.
It is not an unprimeable number, because it can be changed into a prime (2104250921) 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, 6152610 + ... + 6152951.
It is an arithmetic number, because the mean of its divisors is an integer number (266620510).
Almost surely, 22104250931 is an apocalyptic number.
2104250931 is a deficient number, since it is larger than the sum of its proper divisors (1095195189).
2104250931 is a wasteful number, since it uses less digits than its factorization.
2104250931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12305586 (or 12305583 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 2104250931 is about 45872.1149610523. The cubic root of 2104250931 is about 1281.4426546200.
Adding to 2104250931 its reverse (1390524012), we get a palindrome (3494774943).
The spelling of 2104250931 in words is "two billion, one hundred four million, two hundred fifty thousand, nine hundred thirty-one".
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