Base | Representation |
---|---|
bin | 111101111111100… |
… | …001001001100001 |
3 | 2200111001120111201 |
4 | 331333201021201 |
5 | 4112223423100 |
6 | 251112041201 |
7 | 34526241613 |
oct | 7577411141 |
9 | 2614046451 |
10 | 1040061025 |
11 | 4940a6273 |
12 | 250393201 |
13 | 137625733 |
14 | 9c1b8db3 |
15 | 6149636a |
hex | 3dfe1261 |
1040061025 has 6 divisors (see below), whose sum is σ = 1289675702. Its totient is φ = 832048800.
The previous prime is 1040061023. The next prime is 1040061091. The reversal of 1040061025 is 5201600401.
It can be written as a sum of positive squares in 3 ways, for example, as 296080849 + 743980176 = 17207^2 + 27276^2 .
It is not a de Polignac number, because 1040061025 - 21 = 1040061023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1040060993 and 1040061011.
It is not an unprimeable number, because it can be changed into a prime (1040061023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20801196 + ... + 20801245.
Almost surely, 21040061025 is an apocalyptic number.
It is an amenable number.
1040061025 is a deficient number, since it is larger than the sum of its proper divisors (249614677).
1040061025 is an equidigital number, since it uses as much as digits as its factorization.
1040061025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41602451 (or 41602446 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 1040061025 is about 32249.9771317748. The cubic root of 1040061025 is about 1013.1792201161.
Adding to 1040061025 its reverse (5201600401), we get a palindrome (6241661426).
The spelling of 1040061025 in words is "one billion, forty million, sixty-one thousand, twenty-five".
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