Base | Representation |
---|---|
bin | 10001100111110110101… |
… | …010110100011101000101 |
3 | 11021202212100202000211011 |
4 | 101213312222310131011 |
5 | 124320134200331323 |
6 | 2324200432042221 |
7 | 153331211053630 |
oct | 21476652643505 |
9 | 4252770660734 |
10 | 1211024230213 |
11 | 427657674456 |
12 | 176855693371 |
13 | 8a278547055 |
14 | 42884704c17 |
15 | 2177c96420d |
hex | 119f6ab4745 |
1211024230213 has 32 divisors (see below), whose sum is σ = 1453685029632. Its totient is φ = 987384384000.
The previous prime is 1211024230187. The next prime is 1211024230217. The reversal of 1211024230213 is 3120324201121.
It is not a de Polignac number, because 1211024230213 - 213 = 1211024222021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1211024230217) 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, 1527945 + ... + 2180977.
It is an arithmetic number, because the mean of its divisors is an integer number (45427657176).
Almost surely, 21211024230213 is an apocalyptic number.
It is an amenable number.
1211024230213 is a deficient number, since it is larger than the sum of its proper divisors (242660799419).
1211024230213 is a wasteful number, since it uses less digits than its factorization.
1211024230213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653245.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 1211024230213 its reverse (3120324201121), we get a palindrome (4331348431334).
The spelling of 1211024230213 in words is "one trillion, two hundred eleven billion, twenty-four million, two hundred thirty thousand, two hundred thirteen".
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