Base | Representation |
---|---|
bin | 100000011101111000100… |
… | …101000100011011010001 |
3 | 21220021212221222121001011 |
4 | 200131320211010123101 |
5 | 243023303404310001 |
6 | 4424542552010521 |
7 | 320123003451106 |
oct | 40357045043321 |
9 | 7807787877034 |
10 | 2231111010001 |
11 | 7902330002a5 |
12 | 3004a2690a41 |
13 | 1325151827b3 |
14 | 79db4782aad |
15 | 3d082888d51 |
hex | 207789446d1 |
2231111010001 has 16 divisors (see below), whose sum is σ = 2282991379200. Its totient is φ = 2179828505088.
The previous prime is 2231111009927. The next prime is 2231111010013. The reversal of 2231111010001 is 1000101111322.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2231111010001 - 27 = 2231111009873 is a prime.
It is a super-3 number, since 3×22311110100013 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231111010031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61814706 + ... + 61850788.
It is an arithmetic number, because the mean of its divisors is an integer number (142686961200).
Almost surely, 22231111010001 is an apocalyptic number.
It is an amenable number.
2231111010001 is a deficient number, since it is larger than the sum of its proper divisors (51880369199).
2231111010001 is an equidigital number, since it uses as much as digits as its factorization.
2231111010001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44328.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 2231111010001 its reverse (1000101111322), we get a palindrome (3231212121323).
The spelling of 2231111010001 in words is "two trillion, two hundred thirty-one billion, one hundred eleven million, ten thousand, one".
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