Base | Representation |
---|---|
bin | 111111100001001… |
… | …0110010010010001 |
3 | 12111112110101010220 |
4 | 1333002112102101 |
5 | 13331104301001 |
6 | 551253343253 |
7 | 103546636524 |
oct | 17702262221 |
9 | 5445411126 |
10 | 2131322001 |
11 | 9a4091846 |
12 | 4b5937b29 |
13 | 27c7367a3 |
14 | 1630c0bbb |
15 | c71a2c36 |
hex | 7f096491 |
2131322001 has 8 divisors (see below), whose sum is σ = 2864139264. Its totient is φ = 1409693040.
The previous prime is 2131321999. The next prime is 2131322003. The reversal of 2131322001 is 1002231312.
It is an interprime number because it is at equal distance from previous prime (2131321999) and next prime (2131322003).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2131322001 - 21 = 2131321999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2131322003) 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, 2796630 + ... + 2797391.
It is an arithmetic number, because the mean of its divisors is an integer number (358017408).
Almost surely, 22131322001 is an apocalyptic number.
It is an amenable number.
2131322001 is a deficient number, since it is larger than the sum of its proper divisors (732817263).
2131322001 is a wasteful number, since it uses less digits than its factorization.
2131322001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5594151.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2131322001 is about 46166.2430895129. The cubic root of 2131322001 is about 1286.9144855939.
Adding to 2131322001 its reverse (1002231312), we get a palindrome (3133553313).
The spelling of 2131322001 in words is "two billion, one hundred thirty-one million, three hundred twenty-two thousand, one".
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