Base | Representation |
---|---|
bin | 11000010101111010… |
… | …00110101001111010 |
3 | 1020201210001100021222 |
4 | 30022331012221322 |
5 | 203231041121330 |
6 | 10000443232042 |
7 | 641566023056 |
oct | 141275065172 |
9 | 36653040258 |
10 | 13068692090 |
11 | 55a6a32883 |
12 | 2648818622 |
13 | 13036a30cc |
14 | 8bd92ac66 |
15 | 5174c00e5 |
hex | 30af46a7a |
13068692090 has 8 divisors (see below), whose sum is σ = 23523645780. Its totient is φ = 5227476832.
The previous prime is 13068692059. The next prime is 13068692123. The reversal of 13068692090 is 9029686031.
It can be written as a sum of positive squares in 2 ways, for example, as 12710082121 + 358609969 = 112739^2 + 18937^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653434595 + ... + 653434614.
Almost surely, 213068692090 is an apocalyptic number.
13068692090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13068692090 is a deficient number, since it is larger than the sum of its proper divisors (10454953690).
13068692090 is a wasteful number, since it uses less digits than its factorization.
13068692090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306869216.
The product of its (nonzero) digits is 139968, while the sum is 44.
The spelling of 13068692090 in words is "thirteen billion, sixty-eight million, six hundred ninety-two thousand, ninety".
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