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813685007361 = 3982927594703
BaseRepresentation
bin10111101011100110110…
…01111110010000000001
32212210021002220010220010
423311303121332100001
5101312411330213421
61421445101335133
7112533605305452
oct13656331762001
92783232803803
10813685007361
11294099a79336
121118455674a9
135b96523b575
142b54da85129
1516274954076
hexbd7367e401

813685007361 has 8 divisors (see below), whose sum is σ = 1085023761280. Its totient is φ = 542401462512.

The previous prime is 813685007327. The next prime is 813685007389. The reversal of 813685007361 is 163700586318.

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

It is not a de Polignac number, because 813685007361 - 211 = 813685005313 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 813685007361.

It is not an unprimeable number, because it can be changed into a prime (813685005361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13767865 + ... + 13826838.

It is an arithmetic number, because the mean of its divisors is an integer number (135627970160).

Almost surely, 2813685007361 is an apocalyptic number.

It is an amenable number.

813685007361 is a deficient number, since it is larger than the sum of its proper divisors (271338753919).

813685007361 is a wasteful number, since it uses less digits than its factorization.

813685007361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27604535.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 813685007361 in words is "eight hundred thirteen billion, six hundred eighty-five million, seven thousand, three hundred sixty-one".

Divisors: 1 3 9829 29487 27594703 82784109 271228335787 813685007361