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16838423671 = 2329533731277
BaseRepresentation
bin11111010111010010…
…11111010001110111
31121110111110112212011
433223221133101313
5233441114024141
611422505505051
71134162145126
oct175351372167
947414415764
1016838423671
11716093aa23
12331b1a2187
1317846a0304
14b5a45dabd
1568840c881
hex3eba5f477

16838423671 has 32 divisors (see below), whose sum is σ = 18583551360. Its totient is φ = 15204693504.

The previous prime is 16838423627. The next prime is 16838423677. The reversal of 16838423671 is 17632483861.

It is not a de Polignac number, because 16838423671 - 29 = 16838423159 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 (16838423677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13185285 + ... + 13186561.

It is an arithmetic number, because the mean of its divisors is an integer number (580735980).

Almost surely, 216838423671 is an apocalyptic number.

16838423671 is a deficient number, since it is larger than the sum of its proper divisors (1745127689).

16838423671 is a wasteful number, since it uses less digits than its factorization.

16838423671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 1161216, while the sum is 49.

The spelling of 16838423671 in words is "sixteen billion, eight hundred thirty-eight million, four hundred twenty-three thousand, six hundred seventy-one".

Divisors: 1 23 29 53 373 667 1219 1277 1537 8579 10817 19769 29371 35351 37033 67681 248791 454687 476321 573301 851759 1556663 1962749 10955383 13185923 13813309 25245013 45143227 317706107 580635299 732105377 16838423671