Base | Representation |
---|---|
bin | 11000011010000000… |
… | …01011011000111001 |
3 | 1020211011201000201000 |
4 | 30031000023120321 |
5 | 203313340133340 |
6 | 10004111515213 |
7 | 642464051535 |
oct | 141500133071 |
9 | 36734630630 |
10 | 13103052345 |
11 | 5614371189 |
12 | 2658228b09 |
13 | 130a843916 |
14 | 8c4312bc5 |
15 | 51a50ad30 |
hex | 30d00b639 |
13103052345 has 64 divisors (see below), whose sum is σ = 24692912640. Its totient is φ = 6569662464.
The previous prime is 13103052337. The next prime is 13103052349. The reversal of 13103052345 is 54325030131.
13103052345 is a `hidden beast` number, since 1 + 3 + 10 + 305 + 2 + 345 = 666.
It is not a de Polignac number, because 13103052345 - 23 = 13103052337 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13103052349) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2367972 + ... + 2373498.
It is an arithmetic number, because the mean of its divisors is an integer number (385826760).
Almost surely, 213103052345 is an apocalyptic number.
13103052345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13103052345 is a deficient number, since it is larger than the sum of its proper divisors (11589860295).
13103052345 is a wasteful number, since it uses less digits than its factorization.
13103052345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6591 (or 6585 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 13103052345 its reverse (54325030131), we get a palindrome (67428082476).
The spelling of 13103052345 in words is "thirteen billion, one hundred three million, fifty-two thousand, three hundred forty-five".
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