Base | Representation |
---|---|
bin | 111101011100… |
… | …100110001001 |
3 | 1010022100220101 |
4 | 331130212021 |
5 | 13110423123 |
6 | 1333125401 |
7 | 253625563 |
oct | 75344611 |
9 | 33270811 |
10 | 16107913 |
11 | 9102128 |
12 | 5489861 |
13 | 344ca13 |
14 | 21d4333 |
15 | 1632aad |
hex | f5c989 |
16107913 has 4 divisors (see below), whose sum is σ = 16543300. Its totient is φ = 15672528.
The previous prime is 16107907. The next prime is 16107947. The reversal of 16107913 is 31970161.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7767369 + 8340544 = 2787^2 + 2888^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16107913 is a prime.
It is a super-2 number, since 2×161079132 = 518929722431138, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (16101913) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 217638 + ... + 217711.
It is an arithmetic number, because the mean of its divisors is an integer number (4135825).
Almost surely, 216107913 is an apocalyptic number.
It is an amenable number.
16107913 is a deficient number, since it is larger than the sum of its proper divisors (435387).
16107913 is an equidigital number, since it uses as much as digits as its factorization.
16107913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435386.
The product of its (nonzero) digits is 1134, while the sum is 28.
The square root of 16107913 is about 4013.4664568176. The cubic root of 16107913 is about 252.5494488653.
It can be divided in two parts, 16107 and 913, that added together give a triangular number (17020 = T184).
The spelling of 16107913 in words is "sixteen million, one hundred seven thousand, nine hundred thirteen".
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