Base | Representation |
---|---|
bin | 11111011000101011… |
… | …11011100100100000 |
3 | 1121111022101102221200 |
4 | 33230111323210200 |
5 | 234002104331023 |
6 | 11424003321200 |
7 | 1134363156564 |
oct | 175425734440 |
9 | 47438342850 |
10 | 16850073888 |
11 | 71674779aa |
12 | 3323080200 |
13 | 1786c1c02b |
14 | b5bc136a4 |
15 | 68945e743 |
hex | 3ec57b920 |
16850073888 has 54 divisors (see below), whose sum is σ = 47923662969. Its totient is φ = 5615956992.
The previous prime is 16850073887. The next prime is 16850073913. The reversal of 16850073888 is 88837005861.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
16850073888 is a `hidden beast` number, since 1 + 68 + 500 + 73 + 8 + 8 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 11869666704 + 4980407184 = 108948^2 + 70572^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=91788.
It is not an unprimeable number, because it can be changed into a prime (16850073881) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2199088 + ... + 2206736.
Almost surely, 216850073888 is an apocalyptic number.
16850073888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
16850073888 is an abundant number, since it is smaller than the sum of its proper divisors (31073589081).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16850073888 is an frugal number, since it uses more digits than its factorization.
16850073888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15314 (or 7654 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The spelling of 16850073888 in words is "sixteen billion, eight hundred fifty million, seventy-three thousand, eight hundred eighty-eight".
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