Base | Representation |
---|---|
bin | 111111010110001… |
… | …0011010101101000 |
3 | 12111010120202111221 |
4 | 1332230103111220 |
5 | 13323114332020 |
6 | 550525431424 |
7 | 103446546445 |
oct | 17654232550 |
9 | 5433522457 |
10 | 2125542760 |
11 | 9a08a4810 |
12 | 4b3a0b574 |
13 | 27b492113 |
14 | 1624189cc |
15 | c69106aa |
hex | 7eb13568 |
2125542760 has 64 divisors (see below), whose sum is σ = 5231278080. Its totient is φ = 770845440.
The previous prime is 2125542721. The next prime is 2125542763. The reversal of 2125542760 is 672455212.
It is not an unprimeable number, because it can be changed into a prime (2125542763) 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 15 ways as a sum of consecutive naturals, for example, 162214 + ... + 174826.
It is an arithmetic number, because the mean of its divisors is an integer number (81738720).
Almost surely, 22125542760 is an apocalyptic number.
2125542760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2125542760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615639040).
2125542760 is an abundant number, since it is smaller than the sum of its proper divisors (3105735320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125542760 is a wasteful number, since it uses less digits than its factorization.
2125542760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13018 (or 13014 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 34.
The square root of 2125542760 is about 46103.6089693638. The cubic root of 2125542760 is about 1285.7502439561.
Adding to 2125542760 its reverse (672455212), we get a palindrome (2797997972).
The spelling of 2125542760 in words is "two billion, one hundred twenty-five million, five hundred forty-two thousand, seven hundred sixty".
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