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12016680775 = 5211174171883
BaseRepresentation
bin10110011000011111…
…11111111101000111
31011000110111122001221
423030033333331013
5144102232241100
65304223101211
7603533046511
oct131417777507
934013448057
1012016680775
115107115140
1223b4441807
1311967551c8
1481dd20bb1
154a4e6801a
hex2cc3fff47

12016680775 has 96 divisors (see below), whose sum is σ = 17899854336. Its totient is φ = 7902720000.

The previous prime is 12016680749. The next prime is 12016680791. The reversal of 12016680775 is 57708661021.

It is not a de Polignac number, because 12016680775 - 25 = 12016680743 is a prime.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 13608484 + ... + 13609366.

It is an arithmetic number, because the mean of its divisors is an integer number (186456816).

Almost surely, 212016680775 is an apocalyptic number.

12016680775 is a deficient number, since it is larger than the sum of its proper divisors (5883173561).

12016680775 is a wasteful number, since it uses less digits than its factorization.

12016680775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 12016680775 in words is "twelve billion, sixteen million, six hundred eighty thousand, seven hundred seventy-five".

Divisors: 1 5 11 17 25 41 55 71 85 187 205 275 355 425 451 697 781 883 935 1025 1207 1775 2255 2911 3485 3905 4415 4675 6035 7667 9713 11275 13277 14555 15011 17425 19525 22075 30175 32021 36203 38335 48565 49487 62693 66385 72775 75055 160105 165121 181015 191675 242825 247435 313465 331925 375275 398233 544357 615451 689623 800525 825605 905075 1065781 1237175 1567325 1991165 2570413 2721785 3077255 3448115 4128025 5328905 6769961 9955825 11723591 12852065 13608925 15386275 17240575 26644525 28274543 33849805 43697021 58617955 64260325 141372715 169249025 218485105 293089775 480667231 706863575 1092425525 2403336155 12016680775