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13738418671 = 84291629899
BaseRepresentation
bin11001100101101111…
…11010000111101111
31022110110020222110011
430302313322013233
5211114013344141
610151125554051
7664310426515
oct146267720757
938413228404
1013738418671
11590aa8531a
1227b4b75927
1313ac372c23
149448644b5
155561b2881
hex332dfa1ef

13738418671 has 4 divisors (see below), whose sum is σ = 13740057000. Its totient is φ = 13736780344.

The previous prime is 13738418669. The next prime is 13738418689. The reversal of 13738418671 is 17681483731.

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 13738418671 - 21 = 13738418669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13738418611) 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, 806521 + ... + 823378.

It is an arithmetic number, because the mean of its divisors is an integer number (3435014250).

Almost surely, 213738418671 is an apocalyptic number.

13738418671 is a deficient number, since it is larger than the sum of its proper divisors (1638329).

13738418671 is an equidigital number, since it uses as much as digits as its factorization.

13738418671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638328.

The product of its digits is 677376, while the sum is 49.

The spelling of 13738418671 in words is "thirteen billion, seven hundred thirty-eight million, four hundred eighteen thousand, six hundred seventy-one".

Divisors: 1 8429 1629899 13738418671