Base | Representation |
---|---|
bin | 111111001011110… |
… | …0101011110011001 |
3 | 12110202100211221121 |
4 | 1332113211132121 |
5 | 13320222041100 |
6 | 550213205241 |
7 | 103352440423 |
oct | 17627453631 |
9 | 5422324847 |
10 | 2120112025 |
11 | 9988255a9 |
12 | 4b2030821 |
13 | 27a310275 |
14 | 161803813 |
15 | c61db51a |
hex | 7e5e5799 |
2120112025 has 24 divisors (see below), whose sum is σ = 2727941720. Its totient is φ = 1633167360.
The previous prime is 2120112023. The next prime is 2120112037. The reversal of 2120112025 is 5202110212.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 808151184 + 1311960841 = 28428^2 + 36221^2 .
It is not a de Polignac number, because 2120112025 - 21 = 2120112023 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2120112023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77911 + ... + 101539.
Almost surely, 22120112025 is an apocalyptic number.
2120112025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2120112025 is a deficient number, since it is larger than the sum of its proper divisors (607829695).
2120112025 is a wasteful number, since it uses less digits than its factorization.
2120112025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23773 (or 23768 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 2120112025 is about 46044.6742305774. The cubic root of 2120112025 is about 1284.6542848079.
Adding to 2120112025 its reverse (5202110212), we get a palindrome (7322222237).
The spelling of 2120112025 in words is "two billion, one hundred twenty million, one hundred twelve thousand, twenty-five".
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