Base | Representation |
---|---|
bin | 1000000101001001… |
… | …0110100011010101 |
3 | 12121011111021011200 |
4 | 2001102112203111 |
5 | 13420240244304 |
6 | 555122423113 |
7 | 104515543401 |
oct | 20122264325 |
9 | 5534437150 |
10 | 2169071829 |
11 | a13425851 |
12 | 506501a99 |
13 | 2874c3072 |
14 | 16810a101 |
15 | ca65ce39 |
hex | 814968d5 |
2169071829 has 24 divisors (see below), whose sum is σ = 3242483712. Its totient is φ = 1395804960.
The previous prime is 2169071759. The next prime is 2169071843. The reversal of 2169071829 is 9281709612.
It is not a de Polignac number, because 2169071829 - 216 = 2169006293 is a prime.
It is a super-2 number, since 2×21690718292 = 9409745198722810482, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2169071629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100972 + ... + 120554.
It is an arithmetic number, because the mean of its divisors is an integer number (135103488).
Almost surely, 22169071829 is an apocalyptic number.
It is an amenable number.
2169071829 is a deficient number, since it is larger than the sum of its proper divisors (1073411883).
2169071829 is a wasteful number, since it uses less digits than its factorization.
2169071829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20017 (or 20014 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The square root of 2169071829 is about 46573.2952345011. The cubic root of 2169071829 is about 1294.4679774221.
The spelling of 2169071829 in words is "two billion, one hundred sixty-nine million, seventy-one thousand, eight hundred twenty-nine".
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