Base | Representation |
---|---|
bin | 100111100101010… |
… | …0010110010111111 |
3 | 10102120011201112102 |
4 | 1033022202302333 |
5 | 10210002222111 |
6 | 335443055315 |
7 | 44625131225 |
oct | 11712426277 |
9 | 3376151472 |
10 | 1328164031 |
11 | 621794327 |
12 | 31097153b |
13 | 18221939c |
14 | c8572b15 |
15 | 7b90513b |
hex | 4f2a2cbf |
1328164031 has 8 divisors (see below), whose sum is σ = 1372635264. Its totient is φ = 1283794560.
The previous prime is 1328163983. The next prime is 1328164051. The reversal of 1328164031 is 1304618231.
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 1328164031 - 210 = 1328163007 is a prime.
It is a super-2 number, since 2×13281640312 = 3528039386484337922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1328163985 and 1328164003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1328164051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 51563.
It is an arithmetic number, because the mean of its divisors is an integer number (171579408).
Almost surely, 21328164031 is an apocalyptic number.
1328164031 is a deficient number, since it is larger than the sum of its proper divisors (44471233).
1328164031 is an equidigital number, since it uses as much as digits as its factorization.
1328164031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50881.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 1328164031 is about 36443.9848397510. The cubic root of 1328164031 is about 1099.2181857872.
The spelling of 1328164031 in words is "one billion, three hundred twenty-eight million, one hundred sixty-four thousand, thirty-one".
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