Base | Representation |
---|---|
bin | 11110001010011101… |
… | …10110010000111000 |
3 | 1112210120200122102221 |
4 | 33011032312100320 |
5 | 231131114440340 |
6 | 11234523333424 |
7 | 1112204633056 |
oct | 170516662070 |
9 | 45716618387 |
10 | 16193905720 |
11 | 6960046063 |
12 | 317b381274 |
13 | 16b0cb8645 |
14 | ad8a091d6 |
15 | 64ba4944a |
hex | 3c53b6438 |
16193905720 has 16 divisors (see below), whose sum is σ = 36436287960. Its totient is φ = 6477562272.
The previous prime is 16193905697. The next prime is 16193905799. The reversal of 16193905720 is 2750939161.
16193905720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202423782 + ... + 202423861.
Almost surely, 216193905720 is an apocalyptic number.
16193905720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16193905720 is an abundant number, since it is smaller than the sum of its proper divisors (20242382240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16193905720 is a wasteful number, since it uses less digits than its factorization.
16193905720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404847654 (or 404847650 counting only the distinct ones).
The product of its (nonzero) digits is 102060, while the sum is 43.
The spelling of 16193905720 in words is "sixteen billion, one hundred ninety-three million, nine hundred five thousand, seven hundred twenty".
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