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12513263756353 = 174126251683899
BaseRepresentation
bin1011011000010111100010…
…1001000010010001000001
31122022020220212101110012021
42312011320221002101001
53120004131010200403
642340303005401441
72431024224654433
oct266057051022101
948266825343167
1012513263756353
113a94933196808
1214a11a2869281
136c9cc375a2a9
143139065c8653
1516a7732058bd
hexb6178a42441

12513263756353 has 16 divisors (see below), whose sum is σ = 13573029556800. Its totient is φ = 11489486400000.

The previous prime is 12513263756351. The next prime is 12513263756359. The reversal of 12513263756353 is 35365736231521.

It is a cyclic number.

It is not a de Polignac number, because 12513263756353 - 21 = 12513263756351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12513263756353.

It is not an unprimeable number, because it can be changed into a prime (12513263756351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17954998 + ... + 18638896.

It is an arithmetic number, because the mean of its divisors is an integer number (848314347300).

Almost surely, 212513263756353 is an apocalyptic number.

It is an amenable number.

12513263756353 is a deficient number, since it is larger than the sum of its proper divisors (1059765800447).

12513263756353 is a wasteful number, since it uses less digits than its factorization.

12513263756353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710208.

The product of its digits is 10206000, while the sum is 52.

Adding to 12513263756353 its reverse (35365736231521), we get a palindrome (47878999987874).

The spelling of 12513263756353 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred fifty-three".

Divisors: 1 17 41 697 26251 446267 683899 1076291 11626283 18296947 28039859 476677603 17953032649 305201555033 736074338609 12513263756353