Base | Representation |
---|---|
bin | 100111101010101… |
… | …1101110100000001 |
3 | 10102202120012001202 |
4 | 1033111131310001 |
5 | 10211220332301 |
6 | 340024310545 |
7 | 44661354530 |
oct | 11725356401 |
9 | 3382505052 |
10 | 1331027201 |
11 | 62336a489 |
12 | 311912455 |
13 | 1829ac67a |
14 | c8aba317 |
15 | 7bcbd66b |
hex | 4f55dd01 |
1331027201 has 8 divisors (see below), whose sum is σ = 1523028864. Its totient is φ = 1139489280.
The previous prime is 1331027167. The next prime is 1331027207. The reversal of 1331027201 is 1027201331.
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 1331027201 - 218 = 1330765057 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1331027207) 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, 109760 + ... + 121281.
It is an arithmetic number, because the mean of its divisors is an integer number (190378608).
Almost surely, 21331027201 is an apocalyptic number.
It is an amenable number.
1331027201 is a deficient number, since it is larger than the sum of its proper divisors (192001663).
1331027201 is an equidigital number, since it uses as much as digits as its factorization.
1331027201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231871.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 1331027201 is about 36483.2454833722. The cubic root of 1331027201 is about 1100.0074933374.
Adding to 1331027201 its reverse (1027201331), we get a palindrome (2358228532).
The spelling of 1331027201 in words is "one billion, three hundred thirty-one million, twenty-seven thousand, two hundred one".
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