Base | Representation |
---|---|
bin | 11101111101111101… |
… | …01110001101101101 |
3 | 1112112021022122121222 |
4 | 32332332232031231 |
5 | 230422241441044 |
6 | 11220255233125 |
7 | 1106462241464 |
oct | 167676561555 |
9 | 45467278558 |
10 | 16089015149 |
11 | 6906914239 |
12 | 31502187a5 |
13 | 1695351b0c |
14 | ac8b039db |
15 | 64272a8ee |
hex | 3befae36d |
16089015149 has 24 divisors (see below), whose sum is σ = 17409883392. Its totient is φ = 14858121600.
The previous prime is 16089015143. The next prime is 16089015181. The reversal of 16089015149 is 94151098061.
It is not a de Polignac number, because 16089015149 - 212 = 16089011053 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 (16089015143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13395749 + ... + 13396949.
It is an arithmetic number, because the mean of its divisors is an integer number (725411808).
Almost surely, 216089015149 is an apocalyptic number.
16089015149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
16089015149 is a deficient number, since it is larger than the sum of its proper divisors (1320868243).
16089015149 is a wasteful number, since it uses less digits than its factorization.
16089015149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2145 (or 2126 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 44.
The spelling of 16089015149 in words is "sixteen billion, eighty-nine million, fifteen thousand, one hundred forty-nine".
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