Base | Representation |
---|---|
bin | 1100110011100100000… |
… | …1011110011000010110 |
3 | 210000212011211222011112 |
4 | 3030321001132120112 |
5 | 12101030001114430 |
6 | 245022215535022 |
7 | 21615543213122 |
oct | 3147101363026 |
9 | 700764758145 |
10 | 220000019990 |
11 | 85335304243 |
12 | 3677968a472 |
13 | 17990a02c2a |
14 | a9103b0582 |
15 | 5ac91e6195 |
hex | 333905e616 |
220000019990 has 16 divisors (see below), whose sum is σ = 396010931040. Its totient is φ = 87997586880.
The previous prime is 220000019959. The next prime is 220000020011. The reversal of 220000019990 is 99910000022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105170 + ... + 671610.
It is an arithmetic number, because the mean of its divisors is an integer number (24750683190).
Almost surely, 2220000019990 is an apocalyptic number.
220000019990 is a deficient number, since it is larger than the sum of its proper divisors (176010911050).
220000019990 is a wasteful number, since it uses less digits than its factorization.
220000019990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605287.
The product of its (nonzero) digits is 2916, while the sum is 32.
The spelling of 220000019990 in words is "two hundred twenty billion, nineteen thousand, nine hundred ninety".
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