Base | Representation |
---|---|
bin | 101001010000… |
… | …011010000011 |
3 | 202100110112112 |
4 | 221100122003 |
5 | 10232040412 |
6 | 1023445535 |
7 | 160632632 |
oct | 51203203 |
9 | 22313475 |
10 | 10815107 |
11 | 6117606 |
12 | 37568ab |
13 | 2318894 |
14 | 1617519 |
15 | e39722 |
hex | a50683 |
10815107 has 2 divisors, whose sum is σ = 10815108. Its totient is φ = 10815106.
The previous prime is 10815097. The next prime is 10815109. The reversal of 10815107 is 70151801.
It is a strong prime.
It is an emirp because it is prime and its reverse (70151801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10815107 - 212 = 10811011 is a prime.
Together with 10815109, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (10815109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5407553 + 5407554.
It is an arithmetic number, because the mean of its divisors is an integer number (5407554).
Almost surely, 210815107 is an apocalyptic number.
10815107 is a deficient number, since it is larger than the sum of its proper divisors (1).
10815107 is an equidigital number, since it uses as much as digits as its factorization.
10815107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 280, while the sum is 23.
The square root of 10815107 is about 3288.6329986789. The cubic root of 10815107 is about 221.1449060928.
Adding to 10815107 its reverse (70151801), we get a palindrome (80966908).
The spelling of 10815107 in words is "ten million, eight hundred fifteen thousand, one hundred seven".
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