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13705650379 = 21164955689
BaseRepresentation
bin11001100001110101…
…11010000011001011
31022101011121011210201
430300322322003023
5211032121303004
610143555353031
7663432051241
oct146072720313
938334534721
1013705650379
1158a3533a93
1227a5bb2777
1313a563bbc5
14940374791
1555338d6a4
hex330eba0cb

13705650379 has 4 divisors (see below), whose sum is σ = 13770606280. Its totient is φ = 13640694480.

The previous prime is 13705650377. The next prime is 13705650433. The reversal of 13705650379 is 97305650731.

13705650379 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 is a cyclic number.

It is not a de Polignac number, because 13705650379 - 21 = 13705650377 is a prime.

It is a super-2 number, since 2×137056503792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13705650377) 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 3 ways as a sum of consecutive naturals, for example, 32477634 + ... + 32478055.

It is an arithmetic number, because the mean of its divisors is an integer number (3442651570).

Almost surely, 213705650379 is an apocalyptic number.

13705650379 is a deficient number, since it is larger than the sum of its proper divisors (64955901).

13705650379 is an equidigital number, since it uses as much as digits as its factorization.

13705650379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64955900.

The product of its (nonzero) digits is 595350, while the sum is 46.

The spelling of 13705650379 in words is "thirteen billion, seven hundred five million, six hundred fifty thousand, three hundred seventy-nine".

Divisors: 1 211 64955689 13705650379