Base | Representation |
---|---|
bin | 111110111111… |
… | …100110000101 |
3 | 1011001222010220 |
4 | 332333212011 |
5 | 13211412123 |
6 | 1345534553 |
7 | 260235030 |
oct | 76774605 |
9 | 34058126 |
10 | 16513413 |
11 | 9359854 |
12 | 5644459 |
13 | 3562467 |
14 | 229c017 |
15 | 16b2ce3 |
hex | fbf985 |
16513413 has 16 divisors (see below), whose sum is σ = 26488320. Its totient is φ = 8939376.
The previous prime is 16513411. The next prime is 16513463. The reversal of 16513413 is 31431561.
It is not a de Polignac number, because 16513413 - 21 = 16513411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16513411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20295 + ... + 21092.
It is an arithmetic number, because the mean of its divisors is an integer number (1655520).
Almost surely, 216513413 is an apocalyptic number.
It is an amenable number.
16513413 is a deficient number, since it is larger than the sum of its proper divisors (9974907).
16513413 is a wasteful number, since it uses less digits than its factorization.
16513413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41416.
The product of its digits is 1080, while the sum is 24.
The square root of 16513413 is about 4063.6698930893. The cubic root of 16513413 is about 254.6511338519.
Adding to 16513413 its reverse (31431561), we get a palindrome (47944974).
The spelling of 16513413 in words is "sixteen million, five hundred thirteen thousand, four hundred thirteen".
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