Base | Representation |
---|---|
bin | 111111010101010… |
… | …1000010110100110 |
3 | 12111002202111101221 |
4 | 1332222220112212 |
5 | 13323011321200 |
6 | 550512210554 |
7 | 103443043042 |
oct | 17652502646 |
9 | 5432674357 |
10 | 2125104550 |
11 | 9a0625558 |
12 | 4b3839a5a |
13 | 27b36a81a |
14 | 162343022 |
15 | c687591a |
hex | 7eaa85a6 |
2125104550 has 96 divisors (see below), whose sum is σ = 4431573504. Its totient is φ = 753984000.
The previous prime is 2125104521. The next prime is 2125104587. The reversal of 2125104550 is 554015212.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 1387285 + ... + 1388815.
It is an arithmetic number, because the mean of its divisors is an integer number (46162224).
Almost surely, 22125104550 is an apocalyptic number.
2125104550 is an abundant number, since it is smaller than the sum of its proper divisors (2306468954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125104550 is a wasteful number, since it uses less digits than its factorization.
2125104550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1654 (or 1649 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 2125104550 is about 46098.8562764848. The cubic root of 2125104550 is about 1285.6618794924.
Adding to 2125104550 its reverse (554015212), we get a palindrome (2679119762).
The spelling of 2125104550 in words is "two billion, one hundred twenty-five million, one hundred four thousand, five hundred fifty".
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