Search a number
-
+
13015514016535 = 52875190539557
BaseRepresentation
bin1011110101100110100100…
…0101101110101100010111
31201002021022112212020002111
42331121221011232230113
53201221233042012120
643403124455451451
72512224366513322
oct275315105565427
951067275766074
1013015514016535
114168937391a68
1215625b1386b87
13735485b56364
1432dd5060d7b9
1517886b68275a
hexbd66916eb17

13015514016535 has 8 divisors (see below), whose sum is σ = 15619160229696. Its totient is φ = 10412048940000.

The previous prime is 13015514016523. The next prime is 13015514016569. The reversal of 13015514016535 is 53561041551031.

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

It is not a de Polignac number, because 13015514016535 - 29 = 13015514016023 is a prime.

It is a super-3 number, since 3×130155140165353 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45126024 + ... + 45413533.

It is an arithmetic number, because the mean of its divisors is an integer number (1952395028712).

Almost surely, 213015514016535 is an apocalyptic number.

13015514016535 is a deficient number, since it is larger than the sum of its proper divisors (2603646213161).

13015514016535 is an equidigital number, since it uses as much as digits as its factorization.

13015514016535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90568313.

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 13015514016535 its reverse (53561041551031), we get a palindrome (66576555567566).

The spelling of 13015514016535 in words is "thirteen trillion, fifteen billion, five hundred fourteen million, sixteen thousand, five hundred thirty-five".

Divisors: 1 5 28751 143755 90539557 452697785 2603102803307 13015514016535