Base | Representation |
---|---|
bin | 100110100111… |
… | …010110101001 |
3 | 201001021200112 |
4 | 212213112221 |
5 | 10042411130 |
6 | 1000544105 |
7 | 152020100 |
oct | 46472651 |
9 | 21037615 |
10 | 10122665 |
11 | 5794343 |
12 | 3482035 |
13 | 2135657 |
14 | 14b7037 |
15 | d4e495 |
hex | 9a75a9 |
10122665 has 24 divisors (see below), whose sum is σ = 14336640. Its totient is φ = 6840288.
The previous prime is 10122641. The next prime is 10122677. The reversal of 10122665 is 56622101.
It is not a de Polignac number, because 10122665 - 26 = 10122601 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10122665.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19094 + ... + 19616.
It is an arithmetic number, because the mean of its divisors is an integer number (597360).
Almost surely, 210122665 is an apocalyptic number.
It is an amenable number.
10122665 is a deficient number, since it is larger than the sum of its proper divisors (4213975).
10122665 is an equidigital number, since it uses as much as digits as its factorization.
10122665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621 (or 614 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 10122665 is about 3181.6135843311. The cubic root of 10122665 is about 216.3208038836.
Adding to 10122665 its reverse (56622101), we get a palindrome (66744766).
The spelling of 10122665 in words is "ten million, one hundred twenty-two thousand, six hundred sixty-five".
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