Base | Representation |
---|---|
bin | 1001110101111010… |
… | …1100011010101101 |
3 | 20211010112000112112 |
4 | 2131132230122231 |
5 | 20402332203130 |
6 | 1114100413405 |
7 | 122321134361 |
oct | 23536543255 |
9 | 6733460475 |
10 | 2642069165 |
11 | 113641973a |
12 | 6189a7265 |
13 | 3314b2548 |
14 | 1b0c732a1 |
15 | 106e40495 |
hex | 9d7ac6ad |
2642069165 has 8 divisors (see below), whose sum is σ = 3171038328. Its totient is φ = 2113285120.
The previous prime is 2642069153. The next prime is 2642069173. The reversal of 2642069165 is 5619602462.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 362293156 + 2279776009 = 19034^2 + 47747^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2642069165 is a prime.
It is a Duffinian number.
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, 12656 + ... + 73785.
It is an arithmetic number, because the mean of its divisors is an integer number (396379791).
Almost surely, 22642069165 is an apocalyptic number.
It is an amenable number.
2642069165 is a deficient number, since it is larger than the sum of its proper divisors (528969163).
2642069165 is an equidigital number, since it uses as much as digits as its factorization.
2642069165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92559.
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 2642069165 is about 51401.0619053731. The cubic root of 2642069165 is about 1382.4456326646.
The spelling of 2642069165 in words is "two billion, six hundred forty-two million, sixty-nine thousand, one hundred sixty-five".
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