Base | Representation |
---|---|
bin | 1011111011101111100010… |
… | …0111001000100001111111 |
3 | 1201110100121010110211002221 |
4 | 2332323320213020201333 |
5 | 3204433302242130421 |
6 | 43523412114430211 |
7 | 2522650432262440 |
oct | 276737047104177 |
9 | 51410533424087 |
10 | 13121001130111 |
11 | 41a964908a776 |
12 | 157ab30892367 |
13 | 7423c73b7164 |
14 | 3350ba2d12c7 |
15 | 17b492493841 |
hex | beef89c887f |
13121001130111 has 16 divisors (see below), whose sum is σ = 15086634508800. Its totient is φ = 11178334346400.
The previous prime is 13121001130109. The next prime is 13121001130141. The reversal of 13121001130111 is 11103110012131.
It is a cyclic number.
It is not a de Polignac number, because 13121001130111 - 21 = 13121001130109 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 (13121001130141) 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, 5940840 + ... + 7844461.
It is an arithmetic number, because the mean of its divisors is an integer number (942914656800).
Almost surely, 213121001130111 is an apocalyptic number.
13121001130111 is a deficient number, since it is larger than the sum of its proper divisors (1965633378689).
13121001130111 is a wasteful number, since it uses less digits than its factorization.
13121001130111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13786134.
The product of its (nonzero) digits is 18, while the sum is 16.
Adding to 13121001130111 its reverse (11103110012131), we get a palindrome (24224111142242).
The spelling of 13121001130111 in words is "thirteen trillion, one hundred twenty-one billion, one million, one hundred thirty thousand, one hundred eleven".
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