Base | Representation |
---|---|
bin | 100101010000010… |
… | …0001100011001010 |
3 | 10020010011121112011 |
4 | 1022200201203022 |
5 | 10030002240020 |
6 | 324012410134 |
7 | 42656110342 |
oct | 11240414312 |
9 | 3203147464 |
10 | 1250040010 |
11 | 59168461a |
12 | 2aa77694a |
13 | 16bc94b5b |
14 | bc037d22 |
15 | 74b2235a |
hex | 4a8218ca |
1250040010 has 32 divisors (see below), whose sum is σ = 2266318800. Its totient is φ = 496419840.
The previous prime is 1250039969. The next prime is 1250040017. The reversal of 1250040010 is 100400521.
It can be written as a sum of positive squares in 8 ways, for example, as 672935481 + 577104529 = 25941^2 + 24023^2 .
It is not an unprimeable number, because it can be changed into a prime (1250040017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238386 + ... + 1239394.
Almost surely, 21250040010 is an apocalyptic number.
1250040010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1250040010 is a deficient number, since it is larger than the sum of its proper divisors (1016278790).
1250040010 is a wasteful number, since it uses less digits than its factorization.
1250040010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1786.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 1250040010 is about 35355.9048816460. The cubic root of 1250040010 is about 1077.2288380842.
Adding to 1250040010 its reverse (100400521), we get a palindrome (1350440531).
The spelling of 1250040010 in words is "one billion, two hundred fifty million, forty thousand, ten".
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