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13938329495 = 517163980347
BaseRepresentation
bin11001111101100101…
…00000011110010111
31022222101102111112202
430332302200132113
5212021203020440
610223030435115
71002255563066
oct147662403627
938871374482
1013938329495
115a02907282
12284bb02a9b
1314118c875c
149632221dd
15568a00615
hex33eca0797

13938329495 has 8 divisors (see below), whose sum is σ = 17709877584. Its totient is φ = 10494742144.

The previous prime is 13938329437. The next prime is 13938329501. The reversal of 13938329495 is 59492383931.

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

It is a cyclic number.

It is not a de Polignac number, because 13938329495 - 28 = 13938329239 is a prime.

It is a super-2 number, since 2×139383294952 (a number of 21 digits) contains 22 as substring.

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 13938329495.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81990089 + ... + 81990258.

It is an arithmetic number, because the mean of its divisors is an integer number (2213734698).

Almost surely, 213938329495 is an apocalyptic number.

13938329495 is a deficient number, since it is larger than the sum of its proper divisors (3771548089).

13938329495 is a wasteful number, since it uses less digits than its factorization.

13938329495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163980369.

The product of its digits is 6298560, while the sum is 56.

The spelling of 13938329495 in words is "thirteen billion, nine hundred thirty-eight million, three hundred twenty-nine thousand, four hundred ninety-five".

Divisors: 1 5 17 85 163980347 819901735 2787665899 13938329495