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13671847138 = 219359785451
BaseRepresentation
bin11001011101110011…
…11101010011100010
31022021210222210110211
430232321331103202
5210444443102023
610140351044334
7662541532435
oct145671752342
938253883424
1013671847138
115886446124
1227968106aa
13139b634aa1
14939a9581c
15550412a0d
hex32ee7d4e2

13671847138 has 8 divisors (see below), whose sum is σ = 21587127120. Its totient is φ = 6476138100.

The previous prime is 13671847129. The next prime is 13671847177. The reversal of 13671847138 is 83174817631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13671847091 and 13671847100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179892688 + ... + 179892763.

It is an arithmetic number, because the mean of its divisors is an integer number (2698390890).

Almost surely, 213671847138 is an apocalyptic number.

13671847138 is a deficient number, since it is larger than the sum of its proper divisors (7915279982).

13671847138 is a wasteful number, since it uses less digits than its factorization.

13671847138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359785472.

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

The spelling of 13671847138 in words is "thirteen billion, six hundred seventy-one million, eight hundred forty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 19 38 359785451 719570902 6835923569 13671847138