Base | Representation |
---|---|
bin | 10001111010100011100… |
… | …010001101110001111001 |
3 | 11100200200202221101012002 |
4 | 101322203202031301321 |
5 | 130132300200132301 |
6 | 2341321141430345 |
7 | 154641624623564 |
oct | 21724342156171 |
9 | 4320622841162 |
10 | 1231104302201 |
11 | 435121313774 |
12 | 17a71a40b3b5 |
13 | 8c1286a8a57 |
14 | 4382b4b14db |
15 | 2205574a16b |
hex | 11ea388dc79 |
1231104302201 has 32 divisors (see below), whose sum is σ = 1277403955200. Its totient is φ = 1185938772480.
The previous prime is 1231104302177. The next prime is 1231104302203. The reversal of 1231104302201 is 1022034011321.
It is a cyclic number.
It is not a de Polignac number, because 1231104302201 - 230 = 1230030560377 is a prime.
It is a super-2 number, since 2×12311043022012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1231104302203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595022795 + ... + 595024863.
It is an arithmetic number, because the mean of its divisors is an integer number (39918873600).
Almost surely, 21231104302201 is an apocalyptic number.
It is an amenable number.
1231104302201 is a deficient number, since it is larger than the sum of its proper divisors (46299652999).
1231104302201 is a wasteful number, since it uses less digits than its factorization.
1231104302201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3209.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1231104302201 its reverse (1022034011321), we get a palindrome (2253138313522).
The spelling of 1231104302201 in words is "one trillion, two hundred thirty-one billion, one hundred four million, three hundred two thousand, two hundred one".
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