Base | Representation |
---|---|
bin | 110001110001100… |
… | …0010110111011001 |
3 | 11022101122110020200 |
4 | 1203203002313121 |
5 | 11410023144121 |
6 | 433420412413 |
7 | 56246611026 |
oct | 14343026731 |
9 | 4271573220 |
10 | 1670131161 |
11 | 787822296 |
12 | 3a73a7109 |
13 | 20801c1ba |
14 | 11bb4c54d |
15 | 9b953a26 |
hex | 638c2dd9 |
1670131161 has 12 divisors (see below), whose sum is σ = 2417912640. Its totient is φ = 1110881880.
The previous prime is 1670131147. The next prime is 1670131171. The reversal of 1670131161 is 1611310761.
1670131161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1670131161 - 25 = 1670131129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1670131171) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207405 + ... + 215306.
It is an arithmetic number, because the mean of its divisors is an integer number (201492720).
Almost surely, 21670131161 is an apocalyptic number.
It is an amenable number.
1670131161 is a deficient number, since it is larger than the sum of its proper divisors (747781479).
1670131161 is a wasteful number, since it uses less digits than its factorization.
1670131161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423156 (or 423153 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 27.
The square root of 1670131161 is about 40867.2382355353. The cubic root of 1670131161 is about 1186.4520553677.
The spelling of 1670131161 in words is "one billion, six hundred seventy million, one hundred thirty-one thousand, one hundred sixty-one".
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