Base | Representation |
---|---|
bin | 11101110111001010… |
… | …01001101010111000 |
3 | 1112101021222222102001 |
4 | 32323211021222320 |
5 | 230313141331331 |
6 | 11210500550344 |
7 | 1105200404050 |
oct | 167345115270 |
9 | 45337888361 |
10 | 16031980216 |
11 | 68876a902a |
12 | 31350b23b4 |
13 | 16865a2635 |
14 | ac12d8560 |
15 | 63c711561 |
hex | 3bb949ab8 |
16031980216 has 32 divisors (see below), whose sum is σ = 35538876000. Its totient is φ = 6633922176.
The previous prime is 16031980213. The next prime is 16031980249. The reversal of 16031980216 is 61208913061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16031980213) 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 7 ways as a sum of consecutive naturals, for example, 4934331 + ... + 4937578.
It is an arithmetic number, because the mean of its divisors is an integer number (1110589875).
Almost surely, 216031980216 is an apocalyptic number.
It is an amenable number.
16031980216 is an abundant number, since it is smaller than the sum of its proper divisors (19506895784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16031980216 is a wasteful number, since it uses less digits than its factorization.
16031980216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9871951 (or 9871947 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 37.
The spelling of 16031980216 in words is "sixteen billion, thirty-one million, nine hundred eighty thousand, two hundred sixteen".
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