Base | Representation |
---|---|
bin | 1100100011101111000011… |
… | …1111001111110100111001 |
3 | 1210220001001000000012002222 |
4 | 3020323300333033310321 |
5 | 3302212410402013311 |
6 | 45211201110133425 |
7 | 2623412540313434 |
oct | 310736077176471 |
9 | 53801030005088 |
10 | 13808068001081 |
11 | 4443a72458082 |
12 | 167011a051275 |
13 | 792131296913 |
14 | 35a457ab681b |
15 | 18e2a5e07adb |
hex | c8ef0fcfd39 |
13808068001081 has 8 divisors (see below), whose sum is σ = 13811898672000. Its totient is φ = 13804237838160.
The previous prime is 13808068001053. The next prime is 13808068001099. The reversal of 13808068001081 is 18010086080831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13808068001081 is a prime.
It is a super-2 number, since 2×138080680010812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13808068007081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57859280 + ... + 58097438.
It is an arithmetic number, because the mean of its divisors is an integer number (1726487334000).
Almost surely, 213808068001081 is an apocalyptic number.
It is an amenable number.
13808068001081 is a deficient number, since it is larger than the sum of its proper divisors (3830670919).
13808068001081 is a wasteful number, since it uses less digits than its factorization.
13808068001081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253999.
The product of its (nonzero) digits is 73728, while the sum is 44.
The spelling of 13808068001081 in words is "thirteen trillion, eight hundred eight billion, sixty-eight million, one thousand, eighty-one".
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