Base | Representation |
---|---|
bin | 1011111100011100010100… |
… | …1011101111001011000111 |
3 | 1201111111121222010212102200 |
4 | 2333013011023233023013 |
5 | 3210132412420242411 |
6 | 43533121053405543 |
7 | 2523554362266516 |
oct | 277070513571307 |
9 | 51444558125380 |
10 | 13133023212231 |
11 | 4203758253a2a |
12 | 1581326a998b3 |
13 | 743591cb0a10 |
14 | 3358dac1a67d |
15 | 17b947b26e56 |
hex | bf1c52ef2c7 |
13133023212231 has 72 divisors (see below), whose sum is σ = 20531888080704. Its totient is φ = 8041396072320.
The previous prime is 13133023212203. The next prime is 13133023212251. The reversal of 13133023212231 is 13221232033131.
13133023212231 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 302 + 321 + 2 + 2 + 31 = 666.
It is not a de Polignac number, because 13133023212231 - 219 = 13133022687943 is a prime.
It is a super-2 number, since 2×131330232122312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13133023212195 and 13133023212204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13133023212251) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10668580386 + ... + 10668581616.
It is an arithmetic number, because the mean of its divisors is an integer number (285165112232).
Almost surely, 213133023212231 is an apocalyptic number.
13133023212231 is a deficient number, since it is larger than the sum of its proper divisors (7398864868473).
13133023212231 is a wasteful number, since it uses less digits than its factorization.
13133023212231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2661 (or 2291 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 13133023212231 its reverse (13221232033131), we get a palindrome (26354255245362).
The spelling of 13133023212231 in words is "thirteen trillion, one hundred thirty-three billion, twenty-three million, two hundred twelve thousand, two hundred thirty-one".
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