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14969813551 = 7211671093803
BaseRepresentation
bin11011111000100010…
…10011101000101111
31102122021100022122221
431330101103220233
5221124233013201
610513235020211
71036652213200
oct157421235057
942567308587
1014969813551
116392084540
122a9943a667
13154750a254
14a202075a7
155c93504a1
hex37c453a2f

14969813551 has 48 divisors (see below), whose sum is σ = 19462481280. Its totient is φ = 11382275520.

The previous prime is 14969813549. The next prime is 14969813563. The reversal of 14969813551 is 15531896941.

It is not a de Polignac number, because 14969813551 - 21 = 14969813549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14969813501) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3934416 + ... + 3938218.

It is an arithmetic number, because the mean of its divisors is an integer number (405468360).

Almost surely, 214969813551 is an apocalyptic number.

14969813551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14969813551 is a deficient number, since it is larger than the sum of its proper divisors (4492667729).

14969813551 is a wasteful number, since it uses less digits than its factorization.

14969813551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004 (or 3997 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 52.

The spelling of 14969813551 in words is "fourteen billion, nine hundred sixty-nine million, eight hundred thirteen thousand, five hundred fifty-one".

Divisors: 1 7 11 49 67 77 109 469 539 737 763 1199 3283 3803 5159 5341 7303 8393 26621 36113 41833 51121 58751 80333 186347 254801 292831 357847 414527 562331 1783607 2049817 2802811 2901689 3936317 4559797 12485249 19619677 20311823 27773309 31918579 137337739 194413163 223430053 305506399 1360892141 2138544793 14969813551