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13013103134421 = 32131076471606597
BaseRepresentation
bin1011110101011101100101…
…1000111100011011010101
31201002001002112100201120100
42331113121120330123111
53201201313400300141
643402045334124313
72512110553404435
oct275273130743325
951061075321510
1013013103134421
11416790a517605
121562039ab0699
1373519052a4b0
1432dba235a2c5
15178779bac0b6
hexbd5d963c6d5

13013103134421 has 48 divisors (see below), whose sum is σ = 20463380106624. Its totient is φ = 7920955274112.

The previous prime is 13013103134417. The next prime is 13013103134453. The reversal of 13013103134421 is 12443130131031.

13013103134421 is a `hidden beast` number, since 1 + 3 + 0 + 1 + 3 + 103 + 134 + 421 = 666.

It is not a de Polignac number, because 13013103134421 - 22 = 13013103134417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013103134491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7296495 + ... + 8903091.

It is an arithmetic number, because the mean of its divisors is an integer number (426320418888).

Almost surely, 213013103134421 is an apocalyptic number.

It is an amenable number.

13013103134421 is a deficient number, since it is larger than the sum of its proper divisors (7450276972203).

13013103134421 is a wasteful number, since it uses less digits than its factorization.

13013103134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607370 (or 1607367 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13013103134421 its reverse (12443130131031), we get a palindrome (25456233265452).

It can be divided in two parts, 1301310 and 3134421, that added together give a triangular number (4435731 = T2978).

The spelling of 13013103134421 in words is "thirteen trillion, thirteen billion, one hundred three million, one hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 3 9 13 39 107 117 321 647 963 1391 1941 4173 5823 8411 12519 25233 69229 75699 207687 623061 899977 1606597 2699931 4819791 8099793 14459373 20885761 62657283 171905879 187971849 515717637 1039468259 1547152911 2234776427 3118404777 6704329281 9355214331 13513087367 20112987843 40539262101 111223103713 121617786303 333669311139 1001007933417 1445900348269 4337701044807 13013103134421