Base | Representation |
---|---|
bin | 1001100010011… |
… | …10100011001111 |
3 | 12120120002220200 |
4 | 10301032203033 |
5 | 130440413034 |
6 | 11534544543 |
7 | 1661050365 |
oct | 461164317 |
9 | 176502820 |
10 | 80013519 |
11 | 41190383 |
12 | 22968153 |
13 | 137665a1 |
14 | a8ab635 |
15 | 7057a99 |
hex | 4c4e8cf |
80013519 has 12 divisors (see below), whose sum is σ = 115793496. Its totient is φ = 53241552.
The previous prime is 80013487. The next prime is 80013533. The reversal of 80013519 is 91531008.
It is not a de Polignac number, because 80013519 - 25 = 80013487 is a prime.
It is a super-2 number, since 2×800135192 = 12804326445526722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80013492 and 80013501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80013589) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3204 + ... + 13049.
It is an arithmetic number, because the mean of its divisors is an integer number (9649458).
Almost surely, 280013519 is an apocalyptic number.
80013519 is a deficient number, since it is larger than the sum of its proper divisors (35779977).
80013519 is a wasteful number, since it uses less digits than its factorization.
80013519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16806 (or 16803 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 80013519 is about 8945.0276131491. The cubic root of 80013519 is about 430.9112081415.
The spelling of 80013519 in words is "eighty million, thirteen thousand, five hundred nineteen".
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