Base | Representation |
---|---|
bin | 110001110010… |
… | …000011001001 |
3 | 220120000022110 |
4 | 301302003021 |
5 | 11320100212 |
6 | 1143412533 |
7 | 215631546 |
oct | 61620311 |
9 | 26500273 |
10 | 13050057 |
11 | 7403779 |
12 | 4454149 |
13 | 291bc37 |
14 | 1a39bcd |
15 | 122ba3c |
hex | c720c9 |
13050057 has 8 divisors (see below), whose sum is σ = 17450784. Its totient is φ = 8674688.
The previous prime is 13050053. The next prime is 13050071. The reversal of 13050057 is 75005031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13050057 - 22 = 13050053 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13050053) 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, 5103 + ... + 7220.
It is an arithmetic number, because the mean of its divisors is an integer number (2181348).
Almost surely, 213050057 is an apocalyptic number.
It is an amenable number.
13050057 is a deficient number, since it is larger than the sum of its proper divisors (4400727).
13050057 is a wasteful number, since it uses less digits than its factorization.
13050057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12679.
The product of its (nonzero) digits is 525, while the sum is 21.
The square root of 13050057 is about 3612.4862629497. The cubic root of 13050057 is about 235.4348790602.
Adding to 13050057 its reverse (75005031), we get a palindrome (88055088).
The spelling of 13050057 in words is "thirteen million, fifty thousand, fifty-seven".
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