Base | Representation |
---|---|
bin | 11101111111101000… |
… | …00101100101011001 |
3 | 1112120020122101102021 |
4 | 32333310011211121 |
5 | 230434332121010 |
6 | 11221515134441 |
7 | 1110022165000 |
oct | 167764054531 |
9 | 45506571367 |
10 | 16103004505 |
11 | 69137a9695 |
12 | 3154a44421 |
13 | 169820c443 |
14 | aca905c37 |
15 | 643a908da |
hex | 3bfd05959 |
16103004505 has 32 divisors (see below), whose sum is σ = 22550976000. Its totient is φ = 11034144576.
The previous prime is 16103004473. The next prime is 16103004553. The reversal of 16103004505 is 50540030161.
It is not a de Polignac number, because 16103004505 - 25 = 16103004473 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 16103004505.
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, 3381316 + ... + 3386074.
It is an arithmetic number, because the mean of its divisors is an integer number (704718000).
Almost surely, 216103004505 is an apocalyptic number.
It is an amenable number.
16103004505 is a deficient number, since it is larger than the sum of its proper divisors (6447971495).
16103004505 is an equidigital number, since it uses as much as digits as its factorization.
16103004505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6758 (or 6744 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 16103004505 its reverse (50540030161), we get a palindrome (66643034666).
The spelling of 16103004505 in words is "sixteen billion, one hundred three million, four thousand, five hundred five".
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