Base | Representation |
---|---|
bin | 1011111011101111101001… |
… | …0101011000011100010010 |
3 | 1201110100200010212010211202 |
4 | 2332323322111120130102 |
5 | 3204433332141443442 |
6 | 43523415030111202 |
7 | 2522651233033106 |
oct | 276737225303422 |
9 | 51410603763752 |
10 | 13121030031122 |
11 | 41a966342a502 |
12 | 157ab3a4ab502 |
13 | 742400395b50 |
14 | 3350c0095906 |
15 | 17b494ca1c32 |
hex | beefa558712 |
13121030031122 has 96 divisors (see below), whose sum is σ = 23138622259200. Its totient is φ = 5538016794240.
The previous prime is 13121030031103. The next prime is 13121030031191. The reversal of 13121030031122 is 22113003012131.
It is a happy number.
It is a super-2 number, since 2×131210300311222 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13121030031094 and 13121030031103.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33863279 + ... + 34248557.
It is an arithmetic number, because the mean of its divisors is an integer number (241027315200).
Almost surely, 213121030031122 is an apocalyptic number.
13121030031122 is a deficient number, since it is larger than the sum of its proper divisors (10017592228078).
13121030031122 is a wasteful number, since it uses less digits than its factorization.
13121030031122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385432 (or 385401 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13121030031122 its reverse (22113003012131), we get a palindrome (35234033043253).
The spelling of 13121030031122 in words is "thirteen trillion, one hundred twenty-one billion, thirty million, thirty-one thousand, one hundred twenty-two".
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