Search a number
-
+
13112323130013 = 3127217271583999
BaseRepresentation
bin1011111011001111001101…
…0111001100001010011101
31201102112012100021201220220
42332303303113030022131
53204313014210130023
643515415035031553
72522222406426552
oct276636327141235
951375170251826
1013112323130013
1141a59a5629868
12157930a59b5b9
13741643568463
143348d5978a29
1517b1356be3e3
hexbecf35cc29d

13112323130013 has 16 divisors (see below), whose sum is σ = 17621581824000. Its totient is φ = 8672313018096.

The previous prime is 13112323130009. The next prime is 13112323130033. The reversal of 13112323130013 is 31003132321131.

It is not a de Polignac number, because 13112323130013 - 22 = 13112323130009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112323130033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7485988 + ... + 9069986.

It is an arithmetic number, because the mean of its divisors is an integer number (1101348864000).

Almost surely, 213112323130013 is an apocalyptic number.

It is an amenable number.

13112323130013 is a deficient number, since it is larger than the sum of its proper divisors (4509258693987).

13112323130013 is a wasteful number, since it uses less digits than its factorization.

13112323130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605856.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13112323130013 its reverse (31003132321131), we get a palindrome (44115455451144).

The spelling of 13112323130013 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-three million, one hundred thirty thousand, thirteen".

Divisors: 1 3 127 381 21727 65181 1583999 2759329 4751997 8277987 201167873 603503619 34415546273 103246638819 4370774376671 13112323130013