Base | Representation |
---|---|
bin | 1001011101011000… |
… | …0001000011110101 |
3 | 20112221211020002112 |
4 | 2113112001003311 |
5 | 20200004144000 |
6 | 1055542220405 |
7 | 116631154436 |
oct | 22726010365 |
9 | 6487736075 |
10 | 2539131125 |
11 | 1093300883 |
12 | 5aa424705 |
13 | 31608066b |
14 | 1a131948d |
15 | ecdaa235 |
hex | 975810f5 |
2539131125 has 12 divisors (see below), whose sum is σ = 3169538892. Its totient is φ = 2030854200.
The previous prime is 2539131113. The next prime is 2539131157. The reversal of 2539131125 is 5211319352.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 81252196 + 2457878929 = 9014^2 + 49577^2 .
It is not a de Polignac number, because 2539131125 - 210 = 2539130101 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2539131091 and 2539131100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561122 + ... + 565628.
It is an arithmetic number, because the mean of its divisors is an integer number (264128241).
Almost surely, 22539131125 is an apocalyptic number.
2539131125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2539131125 is a deficient number, since it is larger than the sum of its proper divisors (630407767).
2539131125 is an frugal number, since it uses more digits than its factorization.
2539131125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9029 (or 4512 counting only the distinct ones).
The product of its digits is 8100, while the sum is 32.
The square root of 2539131125 is about 50389.7918729578. The cubic root of 2539131125 is about 1364.2533944786.
The spelling of 2539131125 in words is "two billion, five hundred thirty-nine million, one hundred thirty-one thousand, one hundred twenty-five".
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