Base | Representation |
---|---|
bin | 111111010101001… |
… | …1011101001101101 |
3 | 12111002122212001002 |
4 | 1332222123221231 |
5 | 13323003140100 |
6 | 550511130045 |
7 | 103442435261 |
oct | 17652335155 |
9 | 5432585032 |
10 | 2125052525 |
11 | 9a059a462 |
12 | 4b3813925 |
13 | 27b34cc3b |
14 | 16232c0a1 |
15 | c68652d5 |
hex | 7ea9ba6d |
2125052525 has 12 divisors (see below), whose sum is σ = 2655184224. Its totient is φ = 1687062000.
The previous prime is 2125052483. The next prime is 2125052537. The reversal of 2125052525 is 5252505212.
It is not a de Polignac number, because 2125052525 - 28 = 2125052269 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a Curzon number.
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, 321161 + ... + 327710.
It is an arithmetic number, because the mean of its divisors is an integer number (221265352).
Almost surely, 22125052525 is an apocalyptic number.
2125052525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2125052525 is a deficient number, since it is larger than the sum of its proper divisors (530131699).
2125052525 is a wasteful number, since it uses less digits than its factorization.
2125052525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649012 (or 649007 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 29.
The square root of 2125052525 is about 46098.2919965588. The cubic root of 2125052525 is about 1285.6513879137.
Adding to 2125052525 its reverse (5252505212), we get a palindrome (7377557737).
The spelling of 2125052525 in words is "two billion, one hundred twenty-five million, fifty-two thousand, five hundred twenty-five".
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