Base | Representation |
---|---|
bin | 11001011100011011… |
… | …11111100101110000 |
3 | 1022021000022021011210 |
4 | 30232031333211300 |
5 | 210434020302120 |
6 | 10135300040120 |
7 | 662341552062 |
oct | 145615774560 |
9 | 38230267153 |
10 | 13660322160 |
11 | 587a994251 |
12 | 2792993040 |
13 | 139912b084 |
14 | 938335732 |
15 | 54e3d7ce0 |
hex | 32e37f970 |
13660322160 has 40 divisors (see below), whose sum is σ = 42346999440. Its totient is φ = 3642752512.
The previous prime is 13660322153. The next prime is 13660322177. The reversal of 13660322160 is 6122306631.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28458765 + ... + 28459244.
It is an arithmetic number, because the mean of its divisors is an integer number (1058674986).
Almost surely, 213660322160 is an apocalyptic number.
13660322160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13660322160 is an abundant number, since it is smaller than the sum of its proper divisors (28686677280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13660322160 is a wasteful number, since it uses less digits than its factorization.
13660322160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56918025 (or 56918019 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 30.
Adding to 13660322160 its reverse (6122306631), we get a palindrome (19782628791).
The spelling of 13660322160 in words is "thirteen billion, six hundred sixty million, three hundred twenty-two thousand, one hundred sixty".
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