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75350431202272 = 2517221140919439
BaseRepresentation
bin10001001000011111100011…
…101011110111101111100000
3100212210102122002212102220021
4101020133203223313233200
534334020140341433042
6424131302112523224
721604613633332012
oct2110374353675740
9325712562772807
1075350431202272
1122010a36039646
12854b502b50514
133307690ab4155
141486da20481b2
158aa087044867
hex4487e3af7be0

75350431202272 has 144 divisors (see below), whose sum is σ = 158388047516160. Its totient is φ = 35278609766400.

The previous prime is 75350431202261. The next prime is 75350431202273. The reversal of 75350431202272 is 27220213405357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75350431202273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7982878129 + ... + 7982887567.

It is an arithmetic number, because the mean of its divisors is an integer number (1099916996640).

Almost surely, 275350431202272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75350431202272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79194023758080).

75350431202272 is an abundant number, since it is smaller than the sum of its proper divisors (83037616313888).

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

75350431202272 is a wasteful number, since it uses less digits than its factorization.

75350431202272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785 (or 13760 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 75350431202272 in words is "seventy-five trillion, three hundred fifty billion, four hundred thirty-one million, two hundred two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 211 272 289 422 544 578 844 1156 1688 2312 3376 3587 4091 4624 6752 7174 8182 9248 9439 14348 16364 18878 28696 32728 37756 57392 60979 65456 69547 75512 114784 121958 130912 139094 151024 160463 243916 278188 302048 320926 487832 556376 641852 863201 975664 1112752 1182299 1283704 1726402 1951328 1991629 2225504 2364598 2567408 2727871 3452804 3983258 4729196 5134816 5455742 6905608 7966516 9458392 10911484 13811216 14674417 15933032 18916784 21822968 27622432 29348834 31866064 33857693 37833568 38614949 43645936 58697668 63732128 67715386 77229898 87291872 117395336 135430772 154459796 234790672 249465089 270861544 308919592 469581344 498930178 541723088 575580781 617839184 656454133 997860356 1083446176 1151161562 1235678368 1312908266 1995720712 2302323124 2625816532 3991441424 4604646248 5251633064 7982882848 8147754239 9209292496 10503266128 11159720261 16295508478 18418584992 21006532256 22319440522 32591016956 44638881044 65182033912 89277762088 130364067824 138511822063 178555524176 260728135648 277023644126 357111048352 554047288252 1108094576504 2216189153008 2354700975071 4432378306016 4709401950142 9418803900284 18837607800568 37675215601136 75350431202272