Base | Representation |
---|---|
bin | 11111011000101011… |
… | …10000111100110011 |
3 | 1121111022022020021112 |
4 | 33230111300330303 |
5 | 234002101433022 |
6 | 11424002343535 |
7 | 1134362616011 |
oct | 175425607463 |
9 | 47438266245 |
10 | 16850030387 |
11 | 7167448253 |
12 | 332305abab |
13 | 1786c052a8 |
14 | b5bc018b1 |
15 | 6894518e2 |
hex | 3ec570f33 |
16850030387 has 4 divisors (see below), whose sum is σ = 16850457120. Its totient is φ = 16849603656.
The previous prime is 16850030383. The next prime is 16850030411. The reversal of 16850030387 is 78303005861.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 16850030387 - 22 = 16850030383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (16850030383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147323 + ... + 235380.
It is an arithmetic number, because the mean of its divisors is an integer number (4212614280).
Almost surely, 216850030387 is an apocalyptic number.
16850030387 is a deficient number, since it is larger than the sum of its proper divisors (426733).
16850030387 is an equidigital number, since it uses as much as digits as its factorization.
16850030387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426732.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 16850030387 in words is "sixteen billion, eight hundred fifty million, thirty thousand, three hundred eighty-seven".
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