Base | Representation |
---|---|
bin | 1111100111111… |
… | …10100101011110 |
3 | 100010121212000221 |
4 | 13303332211132 |
5 | 232023104311 |
6 | 21001111554 |
7 | 3151021135 |
oct | 763764536 |
9 | 303555027 |
10 | 131066206 |
11 | 67a8aa87 |
12 | 37a885ba |
13 | 211ccb8b |
14 | 1359a91c |
15 | b78e671 |
hex | 7cfe95e |
131066206 has 16 divisors (see below), whose sum is σ = 200884320. Its totient is φ = 64120320.
The previous prime is 131066183. The next prime is 131066227. The reversal of 131066206 is 602660131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13471 + ... + 21061.
It is an arithmetic number, because the mean of its divisors is an integer number (12555270).
Almost surely, 2131066206 is an apocalyptic number.
131066206 is a deficient number, since it is larger than the sum of its proper divisors (69818114).
131066206 is an equidigital number, since it uses as much as digits as its factorization.
131066206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7779.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 131066206 is about 11448.4149994661. The cubic root of 131066206 is about 507.9608516549.
The spelling of 131066206 in words is "one hundred thirty-one million, sixty-six thousand, two hundred six".
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