Base | Representation |
---|---|
bin | 1001000011101000… |
… | …0100100011101101 |
3 | 20021102121211000221 |
4 | 2100322010203231 |
5 | 14434333022000 |
6 | 1041123451341 |
7 | 114150236626 |
oct | 22072044355 |
9 | 6242554027 |
10 | 2431142125 |
11 | 1038353075 |
12 | 57a226b51 |
13 | 2c98a0749 |
14 | 190c48a4d |
15 | e367861a |
hex | 90e848ed |
2431142125 has 8 divisors (see below), whose sum is σ = 3034065528. Its totient is φ = 1944913600.
The previous prime is 2431142111. The next prime is 2431142167. The reversal of 2431142125 is 5212411342.
It can be written as a sum of positive squares in 4 ways, for example, as 22099401 + 2409042724 = 4701^2 + 49082^2 .
It is not a de Polignac number, because 2431142125 - 27 = 2431141997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2431142125.
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, 9724444 + ... + 9724693.
It is an arithmetic number, because the mean of its divisors is an integer number (379258191).
Almost surely, 22431142125 is an apocalyptic number.
2431142125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2431142125 is a deficient number, since it is larger than the sum of its proper divisors (602923403).
2431142125 is an equidigital number, since it uses as much as digits as its factorization.
2431142125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19449152 (or 19449142 counting only the distinct ones).
The product of its digits is 1920, while the sum is 25.
The square root of 2431142125 is about 49306.6134002326. The cubic root of 2431142125 is about 1344.6320216098.
Adding to 2431142125 its reverse (5212411342), we get a palindrome (7643553467).
The spelling of 2431142125 in words is "two billion, four hundred thirty-one million, one hundred forty-two thousand, one hundred twenty-five".
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