Base | Representation |
---|---|
bin | 111111010111… |
… | …101010101101 |
3 | 1011020222101202 |
4 | 333113222231 |
5 | 13223041023 |
6 | 1352015245 |
7 | 261125345 |
oct | 77275255 |
9 | 34228352 |
10 | 16612013 |
11 | 9416940 |
12 | 5691525 |
13 | 35982c2 |
14 | 22c5d25 |
15 | 16d2128 |
hex | fd7aad |
16612013 has 8 divisors (see below), whose sum is σ = 18239520. Its totient is φ = 15004080.
The previous prime is 16611989. The next prime is 16612021. The reversal of 16612013 is 31021661.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 16612013 - 214 = 16595629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16612513) 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 7 ways as a sum of consecutive naturals, for example, 3083 + ... + 6536.
It is an arithmetic number, because the mean of its divisors is an integer number (2279940).
Almost surely, 216612013 is an apocalyptic number.
It is an amenable number.
16612013 is a deficient number, since it is larger than the sum of its proper divisors (1627507).
16612013 is a wasteful number, since it uses less digits than its factorization.
16612013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9787.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 16612013 is about 4075.7837283153. The cubic root of 16612013 is about 255.1569609075.
Adding to 16612013 its reverse (31021661), we get a palindrome (47633674).
The spelling of 16612013 in words is "sixteen million, six hundred twelve thousand, thirteen".
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