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74475990285 = 35177322917471
BaseRepresentation
bin100010101011100011…
…1010110110100001101
321010020100201022020120
41011113013112310031
52210011323142120
654114102535153
75244404321004
oct1052707266415
9233210638216
1074475990285
11296488338a4
1212525a374b9
13703b865908
143867271c3b
151e0d55a140
hex11571d6d0d

74475990285 has 64 divisors (see below), whose sum is σ = 128465326080. Its totient is φ = 36708802560.

The previous prime is 74475990229. The next prime is 74475990349. The reversal of 74475990285 is 58209957447.

It is not a de Polignac number, because 74475990285 - 210 = 74475989261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4254100 + ... + 4271570.

It is an arithmetic number, because the mean of its divisors is an integer number (2007270720).

Almost surely, 274475990285 is an apocalyptic number.

It is an amenable number.

74475990285 is a deficient number, since it is larger than the sum of its proper divisors (53989335795).

74475990285 is a wasteful number, since it uses less digits than its factorization.

74475990285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17798.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 74475990285 in words is "seventy-four billion, four hundred seventy-five million, nine hundred ninety thousand, two hundred eighty-five".

Divisors: 1 3 5 15 17 51 73 85 219 229 255 365 687 1095 1145 1241 3435 3723 3893 6205 11679 16717 17471 18615 19465 50151 52413 58395 83585 87355 250755 262065 284189 297007 852567 891021 1275383 1420945 1485035 3826149 4000859 4262835 4455105 6376915 12002577 19130745 20004295 21681511 60012885 65044533 68014603 108407555 204043809 292062707 325222665 340073015 876188121 1020219045 1460313535 4380940605 4965066019 14895198057 24825330095 74475990285