Base | Representation |
---|---|
bin | 1000010100000010… |
… | …0011010000001101 |
3 | 12202111222122220022 |
4 | 2011000203100031 |
5 | 14032231423000 |
6 | 1005233031525 |
7 | 106204362041 |
oct | 20500432015 |
9 | 5674878808 |
10 | 2231514125 |
11 | a456a4655 |
12 | 5233b55a5 |
13 | 297416879 |
14 | 172522021 |
15 | d0d94585 |
hex | 8502340d |
2231514125 has 8 divisors (see below), whose sum is σ = 2784929784. Its totient is φ = 1785211200.
The previous prime is 2231514097. The next prime is 2231514143. The reversal of 2231514125 is 5214151322.
It can be written as a sum of positive squares in 4 ways, for example, as 521939716 + 1709574409 = 22846^2 + 41347^2 .
It is not a de Polignac number, because 2231514125 - 216 = 2231448589 is a prime.
It is a super-3 number, since 3×22315141253 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2231514094 and 2231514103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925932 + ... + 8926181.
It is an arithmetic number, because the mean of its divisors is an integer number (348116223).
Almost surely, 22231514125 is an apocalyptic number.
2231514125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2231514125 is a deficient number, since it is larger than the sum of its proper divisors (553415659).
2231514125 is an equidigital number, since it uses as much as digits as its factorization.
2231514125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17852128 (or 17852118 counting only the distinct ones).
The product of its digits is 2400, while the sum is 26.
The square root of 2231514125 is about 47238.9047819697. The cubic root of 2231514125 is about 1306.7721796810.
Adding to 2231514125 its reverse (5214151322), we get a palindrome (7445665447).
The spelling of 2231514125 in words is "two billion, two hundred thirty-one million, five hundred fourteen thousand, one hundred twenty-five".
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