Base | Representation |
---|---|
bin | 11000010110001101… |
… | …00101110100111101 |
3 | 1020201221201200210022 |
4 | 30023012211310331 |
5 | 203232210212234 |
6 | 10001012421525 |
7 | 641626121534 |
oct | 141306456475 |
9 | 36657650708 |
10 | 13071179069 |
11 | 55a8381333 |
12 | 26496178a5 |
13 | 13040640b0 |
14 | 8bddb731b |
15 | 517811e2e |
hex | 30b1a5d3d |
13071179069 has 4 divisors (see below), whose sum is σ = 14076654396. Its totient is φ = 12065703744.
The previous prime is 13071179027. The next prime is 13071179081. The reversal of 13071179069 is 96097117031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1563253444 + 11507925625 = 39538^2 + 107275^2 .
It is a cyclic number.
It is not a de Polignac number, because 13071179069 - 224 = 13054401853 is a prime.
It is a super-4 number, since 4×130711790694 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13071179089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502737644 + ... + 502737669.
It is an arithmetic number, because the mean of its divisors is an integer number (3519163599).
Almost surely, 213071179069 is an apocalyptic number.
It is an amenable number.
13071179069 is a deficient number, since it is larger than the sum of its proper divisors (1005475327).
13071179069 is a wasteful number, since it uses less digits than its factorization.
13071179069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1005475326.
The product of its (nonzero) digits is 71442, while the sum is 44.
The spelling of 13071179069 in words is "thirteen billion, seventy-one million, one hundred seventy-nine thousand, sixty-nine".
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