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75290218312 = 2383143978797
BaseRepresentation
bin100011000011110100…
…1011000111101001000
321012100002211101010011
41012013221120331020
52213143243441222
654330550401304
75303522203441
oct1060751307510
9235302741104
1075290218312
1129a26402421
1212712660234
13713b45a94a
1439034622c8
151e59c92c77
hex1187a58f48

75290218312 has 32 divisors (see below), whose sum is σ = 142971091200. Its totient is φ = 37165236544.

The previous prime is 75290218309. The next prime is 75290218313. The reversal of 75290218312 is 21381209257.

It is not an unprimeable number, because it can be changed into a prime (75290218313) 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 7 ways as a sum of consecutive naturals, for example, 916098 + ... + 994894.

It is an arithmetic number, because the mean of its divisors is an integer number (4467846600).

Almost surely, 275290218312 is an apocalyptic number.

It is an amenable number.

75290218312 is a deficient number, since it is larger than the sum of its proper divisors (67680872888).

75290218312 is a wasteful number, since it uses less digits than its factorization.

75290218312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80325 (or 80321 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 75290218312 in words is "seventy-five billion, two hundred ninety million, two hundred eighteen thousand, three hundred twelve".

Divisors: 1 2 4 8 83 166 332 664 1439 2878 5756 11512 78797 119437 157594 238874 315188 477748 630376 955496 6540151 13080302 26160604 52321208 113388883 226777766 453555532 907111064 9411277289 18822554578 37645109156 75290218312