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13112444415145 = 53938366589363
BaseRepresentation
bin1011111011001111101010…
…0101110110110010101001
31201102112111210111122211211
42332303322211312302221
53204313241232241040
643515435050353121
72522225411352535
oct276637245666251
951375453448754
1013112444415145
1141a5a58039109
12157934312b7a1
137416627222ca
14334907b0abc5
1517b14117a8ea
hexbecfa976ca9

13112444415145 has 8 divisors (see below), whose sum is σ = 15735333070656. Its totient is φ = 10489689017136.

The previous prime is 13112444415067. The next prime is 13112444415149. The reversal of 13112444415145 is 54151444421131.

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 13112444415145 - 219 = 13112443890857 is a prime.

It is a super-2 number, since 2×131124444151452 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112444415098 and 13112444415107.

It is not an unprimeable number, because it can be changed into a prime (13112444415149) 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, 33097767 + ... + 33491596.

It is an arithmetic number, because the mean of its divisors is an integer number (1966916633832).

Almost surely, 213112444415145 is an apocalyptic number.

It is an amenable number.

13112444415145 is a deficient number, since it is larger than the sum of its proper divisors (2622888655511).

13112444415145 is an equidigital number, since it uses as much as digits as its factorization.

13112444415145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66628751.

The product of its digits is 153600, while the sum is 40.

Adding to 13112444415145 its reverse (54151444421131), we get a palindrome (67263888836276).

The spelling of 13112444415145 in words is "thirteen trillion, one hundred twelve billion, four hundred forty-four million, four hundred fifteen thousand, one hundred forty-five".

Divisors: 1 5 39383 196915 66589363 332946815 2622488883029 13112444415145