Base | Representation |
---|---|
bin | 110001110100… |
… | …111011111000 |
3 | 220120121112100 |
4 | 301310323320 |
5 | 11320440010 |
6 | 1143543400 |
7 | 216011166 |
oct | 61647370 |
9 | 26517470 |
10 | 13061880 |
11 | 7411647 |
12 | 445ab60 |
13 | 2924430 |
14 | 1a40236 |
15 | 12302c0 |
hex | c74ef8 |
13061880 has 96 divisors (see below), whose sum is σ = 45732960. Its totient is φ = 3214080.
The previous prime is 13061857. The next prime is 13061891. The reversal of 13061880 is 8816031.
It is a super-2 number, since 2×130618802 = 341225418268800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3285 + ... + 6075.
It is an arithmetic number, because the mean of its divisors is an integer number (476385).
Almost surely, 213061880 is an apocalyptic number.
13061880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13061880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22866480).
13061880 is an abundant number, since it is smaller than the sum of its proper divisors (32671080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13061880 is a wasteful number, since it uses less digits than its factorization.
13061880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2821 (or 2814 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 13061880 is about 3614.1223000889. The cubic root of 13061880 is about 235.5059568185.
The spelling of 13061880 in words is "thirteen million, sixty-one thousand, eight hundred eighty".
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