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27312451152 = 2437428318979
BaseRepresentation
bin11001011011111100…
…101110111001010000
32121111110012021102220
4121123330232321100
5421413441414102
620314104341040
71654554001320
oct313374567120
977443167386
1027312451152
1110646191888
125362a74780
13276364aacc
141471537280
15a9cc031bc
hex65bf2ee50

27312451152 has 80 divisors (see below), whose sum is σ = 80659837440. Its totient is φ = 7801324416.

The previous prime is 27312451139. The next prime is 27312451183. The reversal of 27312451152 is 25115421372.

It is a happy number.

It is a super-2 number, since 2×273124511522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429599 + ... + 1448577.

It is an arithmetic number, because the mean of its divisors is an integer number (1008247968).

Almost surely, 227312451152 is an apocalyptic number.

It is an amenable number.

27312451152 is an abundant number, since it is smaller than the sum of its proper divisors (53347386288).

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

27312451152 is a wasteful number, since it uses less digits than its factorization.

27312451152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23280 (or 23274 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The spelling of 27312451152 in words is "twenty-seven billion, three hundred twelve million, four hundred fifty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 4283 8566 12849 17132 18979 25698 29981 34264 37958 51396 56937 59962 68528 75916 89943 102792 113874 119924 132853 151832 179886 205584 227748 239848 265706 303664 359772 398559 455496 479696 531412 719544 797118 910992 1062824 1439088 1594236 2125648 3188472 6376944 81287057 162574114 243861171 325148228 487722342 569009399 650296456 975444684 1138018798 1300592912 1707028197 1950889368 2276037596 3414056394 3901778736 4552075192 6828112788 9104150384 13656225576 27312451152