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13808068001081 = 574110099238159
BaseRepresentation
bin1100100011101111000011…
…1111001111110100111001
31210220001001000000012002222
43020323300333033310321
53302212410402013311
645211201110133425
72623412540313434
oct310736077176471
953801030005088
1013808068001081
114443a72458082
12167011a051275
13792131296913
1435a457ab681b
1518e2a5e07adb
hexc8ef0fcfd39

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".

Divisors: 1 5741 10099 238159 57978359 1367270819 2405167741 13808068001081