Base | Representation |
---|---|
bin | 110001110100… |
… | …111111101000 |
3 | 220120121212020 |
4 | 301310333220 |
5 | 11320441440 |
6 | 1143544440 |
7 | 216011661 |
oct | 61647750 |
9 | 26517766 |
10 | 13062120 |
11 | 7411845 |
12 | 445b120 |
13 | 2924586 |
14 | 1a40368 |
15 | 12303d0 |
hex | c74fe8 |
13062120 has 128 divisors (see below), whose sum is σ = 43804800. Its totient is φ = 3096576.
The previous prime is 13062107. The next prime is 13062169. The reversal of 13062120 is 2126031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13062120.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38592 + ... + 38928.
It is an arithmetic number, because the mean of its divisors is an integer number (342225).
Almost surely, 213062120 is an apocalyptic number.
13062120 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 13062120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21902400).
13062120 is an abundant number, since it is smaller than the sum of its proper divisors (30742680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13062120 is a wasteful number, since it uses less digits than its factorization.
13062120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387 (or 383 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 13062120 is about 3614.1555030187. The cubic root of 13062120 is about 235.5073992113.
Adding to 13062120 its reverse (2126031), we get a palindrome (15188151).
The spelling of 13062120 in words is "thirteen million, sixty-two thousand, one hundred twenty".
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