Base | Representation |
---|---|
bin | 11111011011000100… |
… | …11111100101110000 |
3 | 1121112201011010110210 |
4 | 33231202133211300 |
5 | 234022224104433 |
6 | 11430001424120 |
7 | 1135025601240 |
oct | 175542374560 |
9 | 47481133423 |
10 | 16870144368 |
11 | 7177836180 |
12 | 332993b040 |
13 | 178b12855c |
14 | b60759b20 |
15 | 68b0c6463 |
hex | 3ed89f970 |
16870144368 has 160 divisors (see below), whose sum is σ = 54751352832. Its totient is φ = 4348281600.
The previous prime is 16870144363. The next prime is 16870144391. The reversal of 16870144368 is 86344107861.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16870144363) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466755 + ... + 501597.
Almost surely, 216870144368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16870144368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27375676416).
16870144368 is an abundant number, since it is smaller than the sum of its proper divisors (37881208464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16870144368 is a wasteful number, since it uses less digits than its factorization.
16870144368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35003 (or 34997 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 48.
The spelling of 16870144368 in words is "sixteen billion, eight hundred seventy million, one hundred forty-four thousand, three hundred sixty-eight".
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