Base | Representation |
---|---|
bin | 11110010101111101… |
… | …00101100001100101 |
3 | 1120001022002021222012 |
4 | 33022332211201211 |
5 | 231330304244044 |
6 | 11252245444005 |
7 | 1114455213635 |
oct | 171276454145 |
9 | 46038067865 |
10 | 16290306149 |
11 | 69aa4a9137 |
12 | 31a7710605 |
13 | 16c7c6b910 |
14 | b077406c5 |
15 | 65523c59e |
hex | 3cafa5865 |
16290306149 has 4 divisors (see below), whose sum is σ = 17543406636. Its totient is φ = 15037205664.
The previous prime is 16290306143. The next prime is 16290306161. The reversal of 16290306149 is 94160309261.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2324975524 + 13965330625 = 48218^2 + 118175^2 .
It is not a de Polignac number, because 16290306149 - 224 = 16273528933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16290306143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626550224 + ... + 626550249.
It is an arithmetic number, because the mean of its divisors is an integer number (4385851659).
Almost surely, 216290306149 is an apocalyptic number.
It is an amenable number.
16290306149 is a deficient number, since it is larger than the sum of its proper divisors (1253100487).
16290306149 is a wasteful number, since it uses less digits than its factorization.
16290306149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1253100486.
The product of its (nonzero) digits is 69984, while the sum is 41.
The spelling of 16290306149 in words is "sixteen billion, two hundred ninety million, three hundred six thousand, one hundred forty-nine".
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