Base | Representation |
---|---|
bin | 110001101000… |
… | …101000011000 |
3 | 220111001101200 |
4 | 301220220120 |
5 | 11312331410 |
6 | 1142514200 |
7 | 215411226 |
oct | 61505030 |
9 | 26431350 |
10 | 13011480 |
11 | 7387799 |
12 | 4435960 |
13 | 2907501 |
14 | 1a29b16 |
15 | 12203c0 |
hex | c68a18 |
13011480 has 96 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 3391488.
The previous prime is 13011469. The next prime is 13011487. The reversal of 13011480 is 8411031.
It is a super-2 number, since 2×130114802 = 338597223580800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13011487) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16536 + ... + 17304.
It is an arithmetic number, because the mean of its divisors is an integer number (450450).
Almost surely, 213011480 is an apocalyptic number.
13011480 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 13011480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21621600).
13011480 is an abundant number, since it is smaller than the sum of its proper divisors (30231720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011480 is a wasteful number, since it uses less digits than its factorization.
13011480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833 (or 826 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 13011480 is about 3607.1429137199. The cubic root of 13011480 is about 235.2026620551.
The spelling of 13011480 in words is "thirteen million, eleven thousand, four hundred eighty".
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