Base | Representation |
---|---|
bin | 1100001001111100011… |
… | …1011110011010101001 |
3 | 201222000120122212210112 |
4 | 3002133013132122221 |
5 | 11410134424422040 |
6 | 235533444024105 |
7 | 21041644301360 |
oct | 3023707363251 |
9 | 658016585715 |
10 | 208827967145 |
11 | 80621a41616 |
12 | 34580092035 |
13 | 16900257a85 |
14 | a1707147d7 |
15 | 56734bd365 |
hex | 309f1de6a9 |
208827967145 has 8 divisors (see below), whose sum is σ = 286392640704. Its totient is φ = 143196320304.
The previous prime is 208827967133. The next prime is 208827967151. The reversal of 208827967145 is 541769728802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 208827967145 - 212 = 208827963049 is a prime.
It is a Duffinian 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, 2983256639 + ... + 2983256708.
It is an arithmetic number, because the mean of its divisors is an integer number (35799080088).
Almost surely, 2208827967145 is an apocalyptic number.
It is an amenable number.
208827967145 is a deficient number, since it is larger than the sum of its proper divisors (77564673559).
208827967145 is an equidigital number, since it uses as much as digits as its factorization.
208827967145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5966513359.
The product of its (nonzero) digits is 13547520, while the sum is 59.
The spelling of 208827967145 in words is "two hundred eight billion, eight hundred twenty-seven million, nine hundred sixty-seven thousand, one hundred forty-five".
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