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14528171868 = 2237520933203
BaseRepresentation
bin11011000011111001…
…00100111101011100
31101111111022121011120
431201330210331130
5214223202444433
610401341050540
71023010265130
oct154174447534
941444277146
1014528171868
116185857611
122995556a50
1314a6b78b02
149bb6c33c0
155a06b37b3
hex361f24f5c

14528171868 has 48 divisors (see below), whose sum is σ = 38750396160. Its totient is φ = 4149984384.

The previous prime is 14528171863. The next prime is 14528171887. The reversal of 14528171868 is 86817182541.

It is a super-2 number, since 2×145281718682 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14528171868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14528171863) 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 15 ways as a sum of consecutive naturals, for example, 420955 + ... + 454157.

It is an arithmetic number, because the mean of its divisors is an integer number (807299920).

Almost surely, 214528171868 is an apocalyptic number.

It is an amenable number.

14528171868 is an abundant number, since it is smaller than the sum of its proper divisors (24222224292).

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

14528171868 is a wasteful number, since it uses less digits than its factorization.

14528171868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38426 (or 38424 counting only the distinct ones).

The product of its digits is 860160, while the sum is 51.

The spelling of 14528171868 in words is "fourteen billion, five hundred twenty-eight million, one hundred seventy-one thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 5209 10418 15627 20836 31254 33203 36463 62508 66406 72926 99609 109389 132812 145852 199218 218778 232421 398436 437556 464842 697263 929684 1394526 2789052 172954427 345908854 518863281 691817708 1037726562 1210680989 2075453124 2421361978 3632042967 4842723956 7264085934 14528171868