Search a number
-
+
13111231301213 = 192137322912871
BaseRepresentation
bin1011111011001011001001…
…0010001100011001011101
31201102102101020211002101012
42332302302102030121131
53204303300203114323
643515114433225005
72522153351145323
oct276626222143135
951372336732335
1013111231301213
1141a5495295711
121579064a02165
137414cb2b8b06
14334830965d13
1517b0be8ee678
hexbecb248c65d

13111231301213 has 8 divisors (see below), whose sum is σ = 13807754406720. Its totient is φ = 12415354025760.

The previous prime is 13111231301167. The next prime is 13111231301243. The reversal of 13111231301213 is 31210313211131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13111231301213 - 216 = 13111231235677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111231301243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161415833 + ... + 161497038.

It is an arithmetic number, because the mean of its divisors is an integer number (1725969300840).

Almost surely, 213111231301213 is an apocalyptic number.

It is an amenable number.

13111231301213 is a deficient number, since it is larger than the sum of its proper divisors (696523105507).

13111231301213 is a wasteful number, since it uses less digits than its factorization.

13111231301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322915027.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13111231301213 its reverse (31210313211131), we get a palindrome (44321544512344).

The spelling of 13111231301213 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-one million, three hundred one thousand, two hundred thirteen".

Divisors: 1 19 2137 40603 322912871 6135344549 690064805327 13111231301213