Base | Representation |
---|---|
bin | 1001110101000001001… |
… | …0101101011110001011 |
3 | 121010211111120201020021 |
4 | 2131100102231132023 |
5 | 10231301301303132 |
6 | 205322522441311 |
7 | 15125165114164 |
oct | 2352022553613 |
9 | 533744521207 |
10 | 168850806667 |
11 | 65677973214 |
12 | 28883963237 |
13 | 12bcbb4122a |
14 | 825b1b076b |
15 | 45d39e8997 |
hex | 27504ad78b |
168850806667 has 4 divisors (see below), whose sum is σ = 169734842496. Its totient is φ = 167966770840.
The previous prime is 168850806599. The next prime is 168850806737. The reversal of 168850806667 is 766608058861.
168850806667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766608058861 = 47 ⋅16310809763.
It is a cyclic number.
It is not a de Polignac number, because 168850806667 - 27 = 168850806539 is a prime.
It is a super-2 number, since 2×1688508066672 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168850806167) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 442017628 + ... + 442018009.
It is an arithmetic number, because the mean of its divisors is an integer number (42433710624).
Almost surely, 2168850806667 is an apocalyptic number.
168850806667 is a deficient number, since it is larger than the sum of its proper divisors (884035829).
168850806667 is an equidigital number, since it uses as much as digits as its factorization.
168850806667 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 884035828.
The product of its (nonzero) digits is 23224320, while the sum is 61.
The spelling of 168850806667 in words is "one hundred sixty-eight billion, eight hundred fifty million, eight hundred six thousand, six hundred sixty-seven".
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