Base | Representation |
---|---|
bin | 110010010001… |
… | …110100000000 |
3 | 220210121210002 |
4 | 302101310000 |
5 | 11333231120 |
6 | 1150255132 |
7 | 220013060 |
oct | 62216400 |
9 | 26717702 |
10 | 13180160 |
11 | 74924a4 |
12 | 44b74a8 |
13 | 2966216 |
14 | 1a713a0 |
15 | 1255375 |
hex | c91d00 |
13180160 has 72 divisors (see below), whose sum is σ = 36105216. Its totient is φ = 4515840.
The previous prime is 13180157. The next prime is 13180169. The reversal of 13180160 is 6108131.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13180169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8225 + ... + 9695.
Almost surely, 213180160 is an apocalyptic number.
13180160 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 13180160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18052608).
13180160 is an abundant number, since it is smaller than the sum of its proper divisors (22925056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13180160 is an equidigital number, since it uses as much as digits as its factorization.
13180160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1499 (or 1485 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 13180160 is about 3630.4490080429. The cubic root of 13180160 is about 236.2146854263.
Adding to 13180160 its reverse (6108131), we get a palindrome (19288291).
The spelling of 13180160 in words is "thirteen million, one hundred eighty thousand, one hundred sixty".
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