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75280868319 = 3291078086891
BaseRepresentation
bin100011000011100010…
…1101110001111011111
321012022110020100100010
41012013011232033133
52213133400241234
654330014134303
75303346552126
oct1060705561737
9235273210303
1075280868319
1129a210a6658
121270b4b1393
137139535bc7
14390210aabd
151e590476e9
hex118716e3df

75280868319 has 16 divisors (see below), whose sum is σ = 104806120320. Its totient is φ = 48003779040.

The previous prime is 75280868303. The next prime is 75280868329. The reversal of 75280868319 is 91386808257.

It is a happy number.

It is not a de Polignac number, because 75280868319 - 24 = 75280868303 is a prime.

It is a super-2 number, since 2×752808683192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75280868329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034137 + ... + 4052754.

It is an arithmetic number, because the mean of its divisors is an integer number (6550382520).

Almost surely, 275280868319 is an apocalyptic number.

75280868319 is a deficient number, since it is larger than the sum of its proper divisors (29525252001).

75280868319 is a wasteful number, since it uses less digits than its factorization.

75280868319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087030.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 75280868319 in words is "seventy-five billion, two hundred eighty million, eight hundred sixty-eight thousand, three hundred nineteen".

Divisors: 1 3 29 87 107 321 3103 9309 8086891 24260673 234519839 703559517 865297337 2595892011 25093622773 75280868319