Base | Representation |
---|---|
bin | 11001101011110011… |
… | …01010110100101001 |
3 | 1022120222211112201112 |
4 | 30311321222310221 |
5 | 211220014240240 |
6 | 10200142400105 |
7 | 665465240045 |
oct | 146571526451 |
9 | 38528745645 |
10 | 13789211945 |
11 | 5936718033 |
12 | 2809b90035 |
13 | 13b9a48412 |
14 | 94b4c7025 |
15 | 55a897665 |
hex | 335e6ad29 |
13789211945 has 16 divisors (see below), whose sum is σ = 16585824000. Its totient is φ = 11005559424.
The previous prime is 13789211923. The next prime is 13789211977. The reversal of 13789211945 is 54911298731.
It is a cyclic number.
It is not a de Polignac number, because 13789211945 - 216 = 13789146409 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13789211893 and 13789211902.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6897056 + ... + 6899054.
It is an arithmetic number, because the mean of its divisors is an integer number (1036614000).
Almost surely, 213789211945 is an apocalyptic number.
It is an amenable number.
13789211945 is a deficient number, since it is larger than the sum of its proper divisors (2796612055).
13789211945 is a wasteful number, since it uses less digits than its factorization.
13789211945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4544.
The product of its digits is 544320, while the sum is 50.
The spelling of 13789211945 in words is "thirteen billion, seven hundred eighty-nine million, two hundred eleven thousand, nine hundred forty-five".
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