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13005061021311 = 311527376075331
BaseRepresentation
bin1011110100111111101000…
…0010101101111001111111
31201001021100001201001100020
42331033322002231321333
53201033331110140221
643354235331503223
72511404351515512
oct275177202557177
951037301631306
1013005061021311
1141644629a5a37
121560574757b13
137344ab360a98
1432d63c24cd79
15178458b43ac6
hexbd3fa0ade7f

13005061021311 has 8 divisors (see below), whose sum is σ = 17341585709184. Its totient is φ = 8669288507160.

The previous prime is 13005061021223. The next prime is 13005061021319. The reversal of 13005061021311 is 11312016050031.

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

It is not a de Polignac number, because 13005061021311 - 223 = 13005052632703 is a prime.

It is a super-2 number, since 2×130050610213112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005061021319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188003085 + ... + 188072246.

It is an arithmetic number, because the mean of its divisors is an integer number (2167698213648).

Almost surely, 213005061021311 is an apocalyptic number.

13005061021311 is a deficient number, since it is larger than the sum of its proper divisors (4336524687873).

13005061021311 is a wasteful number, since it uses less digits than its factorization.

13005061021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376086861.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 13005061021311 its reverse (11312016050031), we get a palindrome (24317077071342).

The spelling of 13005061021311 in words is "thirteen trillion, five billion, sixty-one million, twenty-one thousand, three hundred eleven".

Divisors: 1 3 11527 34581 376075331 1128225993 4335020340437 13005061021311