Base | Representation |
---|---|
bin | 1011111011111000000110… |
… | …1100111010000110010011 |
3 | 1201110120112102022112110102 |
4 | 2332332001230322012103 |
5 | 3210003010041404301 |
6 | 43524432235323015 |
7 | 2523061431012452 |
oct | 276760154720623 |
9 | 51416472275412 |
10 | 13123301122451 |
11 | 41aa6193a5a93 |
12 | 157b472bb046b |
13 | 7426a2a58980 |
14 | 33525795ab99 |
15 | 17b579362b6b |
hex | bef81b3a193 |
13123301122451 has 16 divisors (see below), whose sum is σ = 14165609858400. Its totient is φ = 12085709061888.
The previous prime is 13123301122441. The next prime is 13123301122457. The reversal of 13123301122451 is 15422110332131.
It is a cyclic number.
It is not a de Polignac number, because 13123301122451 - 226 = 13123234013587 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13123301122457) 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, 10889540 + ... + 12034478.
It is an arithmetic number, because the mean of its divisors is an integer number (885350616150).
Almost surely, 213123301122451 is an apocalyptic number.
13123301122451 is a deficient number, since it is larger than the sum of its proper divisors (1042308735949).
13123301122451 is a wasteful number, since it uses less digits than its factorization.
13123301122451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1146998.
The product of its (nonzero) digits is 4320, while the sum is 29.
Adding to 13123301122451 its reverse (15422110332131), we get a palindrome (28545411454582).
The spelling of 13123301122451 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, one hundred twenty-two thousand, four hundred fifty-one".
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