Base | Representation |
---|---|
bin | 1100011100011010101… |
… | …1110001011100011110 |
3 | 202102211011111201010211 |
4 | 3013012223301130132 |
5 | 12000313402322430 |
6 | 242113504123034 |
7 | 21305556325315 |
oct | 3070653613436 |
9 | 672734451124 |
10 | 213786760990 |
11 | 82737064850 |
12 | 3552490647a |
13 | 172106b9b0a |
14 | a4c112b27c |
15 | 58639d572a |
hex | 31c6af171e |
213786760990 has 32 divisors (see below), whose sum is σ = 419820161760. Its totient is φ = 77736806400.
The previous prime is 213786760969. The next prime is 213786761003. The reversal of 213786760990 is 99067687312.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3170830 + ... + 3237550.
It is an arithmetic number, because the mean of its divisors is an integer number (13119380055).
Almost surely, 2213786760990 is an apocalyptic number.
213786760990 is a deficient number, since it is larger than the sum of its proper divisors (206033400770).
213786760990 is a wasteful number, since it uses less digits than its factorization.
213786760990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95868.
The product of its (nonzero) digits is 6858432, while the sum is 58.
The spelling of 213786760990 in words is "two hundred thirteen billion, seven hundred eighty-six million, seven hundred sixty thousand, nine hundred ninety".
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