Base | Representation |
---|---|
bin | 11000010010010110… |
… | …01110101010111011 |
3 | 1020122200212201121210 |
4 | 30021023032222323 |
5 | 203200420344012 |
6 | 5553455334203 |
7 | 641054213160 |
oct | 141113165273 |
9 | 36580781553 |
10 | 13038840507 |
11 | 55910a3950 |
12 | 263a821363 |
13 | 12ca450854 |
14 | 8b999a067 |
15 | 514a7523c |
hex | 3092ceabb |
13038840507 has 64 divisors (see below), whose sum is σ = 23143735296. Its totient is φ = 6328143360.
The previous prime is 13038840491. The next prime is 13038840601. The reversal of 13038840507 is 70504883031.
It is not a de Polignac number, because 13038840507 - 24 = 13038840491 is a prime.
It is a super-2 number, since 2×130388405072 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13038845507) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199923 + ... + 256995.
It is an arithmetic number, because the mean of its divisors is an integer number (361620864).
Almost surely, 213038840507 is an apocalyptic number.
13038840507 is a deficient number, since it is larger than the sum of its proper divisors (10104894789).
13038840507 is a wasteful number, since it uses less digits than its factorization.
13038840507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57160.
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 13038840507 in words is "thirteen billion, thirty-eight million, eight hundred forty thousand, five hundred seven".
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