Base | Representation |
---|---|
bin | 10011011000011000… |
… | …00110000000010101 |
3 | 222212010221000101002 |
4 | 21230030012000111 |
5 | 132302142403440 |
6 | 4440252113045 |
7 | 515563262651 |
oct | 115414060025 |
9 | 28763830332 |
10 | 10405044245 |
11 | 445a415822 |
12 | 2024765785 |
13 | c9a8a6a1b |
14 | 709c7ba61 |
15 | 40d71b115 |
hex | 26c306015 |
10405044245 has 4 divisors (see below), whose sum is σ = 12486053100. Its totient is φ = 8324035392.
The previous prime is 10405044227. The next prime is 10405044277. The reversal of 10405044245 is 54244050401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54244050401 = 2663 ⋅20369527.
It can be written as a sum of positive squares in 2 ways, for example, as 6842267524 + 3562776721 = 82718^2 + 59689^2 .
It is a cyclic number.
It is not a de Polignac number, because 10405044245 - 28 = 10405043989 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040504420 + ... + 1040504429.
It is an arithmetic number, because the mean of its divisors is an integer number (3121513275).
Almost surely, 210405044245 is an apocalyptic number.
It is an amenable number.
10405044245 is a deficient number, since it is larger than the sum of its proper divisors (2081008855).
10405044245 is an equidigital number, since it uses as much as digits as its factorization.
10405044245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2081008854.
The product of its (nonzero) digits is 12800, while the sum is 29.
Adding to 10405044245 its reverse (54244050401), we get a palindrome (64649094646).
The spelling of 10405044245 in words is "ten billion, four hundred five million, forty-four thousand, two hundred forty-five".
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