Base | Representation |
---|---|
bin | 1110111101000… |
… | …01101111111001 |
3 | 22202001011112110 |
4 | 13132201233321 |
5 | 224103134230 |
6 | 20240402533 |
7 | 3052151136 |
oct | 736415771 |
9 | 282034473 |
10 | 125443065 |
11 | 6489a260 |
12 | 36016449 |
13 | 1ccb1587 |
14 | 1293558d |
15 | b02d4b0 |
hex | 77a1bf9 |
125443065 has 16 divisors (see below), whose sum is σ = 218955456. Its totient is φ = 60820800.
The previous prime is 125443063. The next prime is 125443079. The reversal of 125443065 is 560344521.
It is not a de Polignac number, because 125443065 - 21 = 125443063 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125443063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379966 + ... + 380295.
It is an arithmetic number, because the mean of its divisors is an integer number (13684716).
Almost surely, 2125443065 is an apocalyptic number.
125443065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125443065 is a deficient number, since it is larger than the sum of its proper divisors (93512391).
125443065 is a wasteful number, since it uses less digits than its factorization.
125443065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760280.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 125443065 is about 11200.1368295213. The cubic root of 125443065 is about 500.5900567255.
Adding to 125443065 its reverse (560344521), we get a palindrome (685787586).
The spelling of 125443065 in words is "one hundred twenty-five million, four hundred forty-three thousand, sixty-five".
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