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16544454108 = 22371331488729
BaseRepresentation
bin11110110100010000…
…00101010111011100
31120201000022100102120
433122020011113130
5232340340012413
611333405022540
71123662353040
oct173210052734
946630270376
1016544454108
11701aa05276
123258854a50
131738804320
14b2d3ba020
1566c6e0723
hex3da2055dc

16544454108 has 96 divisors (see below), whose sum is σ = 49045032960. Its totient is φ = 4222609920.

The previous prime is 16544454107. The next prime is 16544454109. The reversal of 16544454108 is 80145444561.

16544454108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16544454107) and next prime (16544454109).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 16544454108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544454107) 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 31 ways as a sum of consecutive naturals, for example, 210513 + ... + 278216.

It is an arithmetic number, because the mean of its divisors is an integer number (510885760).

Almost surely, 216544454108 is an apocalyptic number.

It is an amenable number.

16544454108 is an abundant number, since it is smaller than the sum of its proper divisors (32500578852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16544454108 is a wasteful number, since it uses less digits than its factorization.

16544454108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488787 (or 488785 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

Adding to 16544454108 its reverse (80145444561), we get a palindrome (96689898669).

The spelling of 16544454108 in words is "sixteen billion, five hundred forty-four million, four hundred fifty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 31 39 42 52 62 78 84 91 93 124 156 182 186 217 273 364 372 403 434 546 651 806 868 1092 1209 1302 1612 2418 2604 2821 4836 5642 8463 11284 16926 33852 488729 977458 1466187 1954916 2932374 3421103 5864748 6353477 6842206 10263309 12706954 13684412 15150599 19060431 20526618 25413908 30301198 38120862 41053236 44474339 45451797 60602396 76241724 88948678 90903594 106054193 133423017 177897356 181807188 196957787 212108386 266846034 318162579 393915574 424216772 533692068 590873361 636325158 787831148 1181746722 1272650316 1378704509 2363493444 2757409018 4136113527 5514818036 8272227054 16544454108