Base | Representation |
---|---|
bin | 11110111111110101000… |
… | …011011010011011110001 |
3 | 21112122012201211000221022 |
4 | 132333311003122123301 |
5 | 234344441222433040 |
6 | 4310321430505225 |
7 | 306616235211416 |
oct | 36776503323361 |
9 | 7478181730838 |
10 | 2130120124145 |
11 | 751419306a72 |
12 | 2a49b8b05215 |
13 | 125b3c2a7480 |
14 | 75153ca810d |
15 | 3a62166d6b5 |
hex | 1eff50da6f1 |
2130120124145 has 16 divisors (see below), whose sum is σ = 2753208029712. Its totient is φ = 1572761836800.
The previous prime is 2130120124081. The next prime is 2130120124151. The reversal of 2130120124145 is 5414210210312.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 84301961104 + 2045818163041 = 290348^2 + 1430321^2 .
It is not a de Polignac number, because 2130120124145 - 26 = 2130120124081 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190902 + ... + 3010031.
It is an arithmetic number, because the mean of its divisors is an integer number (172075501857).
Almost surely, 22130120124145 is an apocalyptic number.
It is an amenable number.
2130120124145 is a deficient number, since it is larger than the sum of its proper divisors (623087905567).
2130120124145 is a wasteful number, since it uses less digits than its factorization.
2130120124145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5207252.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 2130120124145 its reverse (5414210210312), we get a palindrome (7544330334457).
The spelling of 2130120124145 in words is "two trillion, one hundred thirty billion, one hundred twenty million, one hundred twenty-four thousand, one hundred forty-five".
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