Base | Representation |
---|---|
bin | 11000011110001011… |
… | …00010010111010111 |
3 | 1020220121111010210111 |
4 | 30033011202113113 |
5 | 203401312332412 |
6 | 10011401103451 |
7 | 643400153560 |
oct | 141705422727 |
9 | 36817433714 |
10 | 13138011607 |
11 | 5632079636 |
12 | 2667a87b87 |
13 | 1314b63c86 |
14 | 8c8c13167 |
15 | 51d6142a7 |
hex | 30f1625d7 |
13138011607 has 32 divisors (see below), whose sum is σ = 15836359680. Its totient is φ = 10661898240.
The previous prime is 13138011589. The next prime is 13138011613. The reversal of 13138011607 is 70611083131.
It is not a de Polignac number, because 13138011607 - 211 = 13138009559 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13138011647) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2779348 + ... + 2784070.
It is an arithmetic number, because the mean of its divisors is an integer number (494886240).
Almost surely, 213138011607 is an apocalyptic number.
13138011607 is a deficient number, since it is larger than the sum of its proper divisors (2698348073).
13138011607 is a wasteful number, since it uses less digits than its factorization.
13138011607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5023.
The product of its (nonzero) digits is 3024, while the sum is 31.
Adding to 13138011607 its reverse (70611083131), we get a palindrome (83749094738).
The spelling of 13138011607 in words is "thirteen billion, one hundred thirty-eight million, eleven thousand, six hundred seven".
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