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13112113023001 = 30682942734269
BaseRepresentation
bin1011111011001110011011…
…0101101100100000011001
31201102111122200221012021201
42332303212311230200121
53204312101413214001
643515342131434201
72522214245515636
oct276634665544031
951374580835251
1013112113023001
1141a58a7a73303
121579270155961
1374160bb82995
143348b5ac518d
1517b12201a501
hexbece6d6c819

13112113023001 has 4 divisors (see below), whose sum is σ = 13112156064100. Its totient is φ = 13112069981904.

The previous prime is 13112113022989. The next prime is 13112113023007. The reversal of 13112113023001 is 10032031121131.

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 3147515967376 + 9964597055625 = 1774124^2 + 3156675^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112113023001 - 227 = 13111978805273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13112113023001.

It is not an unprimeable number, because it can be changed into a prime (13112113023007) 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, 21060306 + ... + 21673963.

It is an arithmetic number, because the mean of its divisors is an integer number (3278039016025).

Almost surely, 213112113023001 is an apocalyptic number.

It is an amenable number.

13112113023001 is a deficient number, since it is larger than the sum of its proper divisors (43041099).

13112113023001 is an equidigital number, since it uses as much as digits as its factorization.

13112113023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43041098.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13112113023001 its reverse (10032031121131), we get a palindrome (23144144144132).

The spelling of 13112113023001 in words is "thirteen trillion, one hundred twelve billion, one hundred thirteen million, twenty-three thousand, one".

Divisors: 1 306829 42734269 13112113023001