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13630512351641 = 34573942873113
BaseRepresentation
bin1100011001011001100111…
…0110001100100110011001
31210021001201211201122110112
43012112121312030212121
53241310242130223031
644553434304254105
72604525542225003
oct306263166144631
953231654648415
1013630512351641
11438573896a729
121641827011335
1377b475b98b63
14351a127a3373
151898630d662b
hexc6599d8c999

13630512351641 has 4 divisors (see below), whose sum is σ = 13634455228212. Its totient is φ = 13626569475072.

The previous prime is 13630512351619. The next prime is 13630512351683. The reversal of 13630512351641 is 14615321503631.

13630512351641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5419565376016 + 8210946975625 = 2327996^2 + 2865475^2 .

It is a cyclic number.

It is not a de Polignac number, because 13630512351641 - 218 = 13630512089497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13630512351241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971433100 + ... + 1971440013.

It is an arithmetic number, because the mean of its divisors is an integer number (3408613807053).

Almost surely, 213630512351641 is an apocalyptic number.

It is an amenable number.

13630512351641 is a deficient number, since it is larger than the sum of its proper divisors (3942876571).

13630512351641 is an equidigital number, since it uses as much as digits as its factorization.

13630512351641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942876570.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 13630512351641 in words is "thirteen trillion, six hundred thirty billion, five hundred twelve million, three hundred fifty-one thousand, six hundred forty-one".

Divisors: 1 3457 3942873113 13630512351641