Base | Representation |
---|---|
bin | 1011111011111000000110… |
… | …1100111010000111010000 |
3 | 1201110120112102022112112200 |
4 | 2332332001230322013100 |
5 | 3210003010041410022 |
6 | 43524432235323200 |
7 | 2523061431012600 |
oct | 276760154720720 |
9 | 51416472275480 |
10 | 13123301122512 |
11 | 41aa6193a6039 |
12 | 157b472bb0500 |
13 | 7426a2a589c9 |
14 | 33525795ac00 |
15 | 17b579362bac |
hex | bef81b3a1d0 |
13123301122512 has 180 divisors, whose sum is σ = 43264066547520. Its totient is φ = 3702052238976.
The previous prime is 13123301122457. The next prime is 13123301122541. The reversal of 13123301122512 is 21522110332131.
13123301122512 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 30 + 112 + 2 + 512 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11213958 + ... + 12328805.
It is an arithmetic number, because the mean of its divisors is an integer number (240355925264).
Almost surely, 213123301122512 is an apocalyptic number.
13123301122512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13123301122512 is an abundant number, since it is smaller than the sum of its proper divisors (30140765425008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123301122512 is a wasteful number, since it uses less digits than its factorization.
13123301122512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23542870 (or 23542854 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
Adding to 13123301122512 its reverse (21522110332131), we get a palindrome (34645411454643).
The spelling of 13123301122512 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, one hundred twenty-two thousand, five hundred twelve".
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