Base | Representation |
---|---|
bin | 11111010111111011… |
… | …00100010000000000 |
3 | 1121110212100221200000 |
4 | 33223331210100000 |
5 | 233443440440122 |
6 | 11423214400000 |
7 | 1134254655633 |
oct | 175375442000 |
9 | 47425327600 |
10 | 16843686912 |
11 | 7163905308 |
12 | 3320b00000 |
13 | 17857c3b60 |
14 | b5b02dc1a |
15 | 688aec0ac |
hex | 3ebf64400 |
16843686912 has 528 divisors, whose sum is σ = 56079808512. Its totient is φ = 5016453120.
The previous prime is 16843686883. The next prime is 16843686913. The reversal of 16843686912 is 21968634861.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
Its product of digits (2985984) is a multiple of the sum of its prime factors (216).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16843686913) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132627393 + ... + 132627519.
Almost surely, 216843686912 is an apocalyptic number.
16843686912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16843686912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28039904256).
16843686912 is an abundant number, since it is smaller than the sum of its proper divisors (39236121600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16843686912 is a wasteful number, since it uses less digits than its factorization.
16843686912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216 (or 186 counting only the distinct ones).
The product of its digits is 2985984, while the sum is 54.
The spelling of 16843686912 in words is "sixteen billion, eight hundred forty-three million, six hundred eighty-six thousand, nine hundred twelve".
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