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8255274412 = 22721119120047
BaseRepresentation
bin1111011000000110…
…10111110110101100
3210022022202101120011
413230003113312230
5113401322240122
63443055103004
7411400450300
oct75403276654
923268671504
108255274412
113556983940
121724811a64
13a173b1478
14584557d00
15334b22377
hex1ec0d7dac

8255274412 has 72 divisors (see below), whose sum is σ = 18430046208. Its totient is φ = 3199341600.

The previous prime is 8255274397. The next prime is 8255274421. The reversal of 8255274412 is 2144725528.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 401773 + ... + 421819.

It is an arithmetic number, because the mean of its divisors is an integer number (255972864).

Almost surely, 28255274412 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 8255274412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9215023104).

8255274412 is an abundant number, since it is smaller than the sum of its proper divisors (10174771796).

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

8255274412 is a wasteful number, since it uses less digits than its factorization.

8255274412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267 (or 20258 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 8255274412 is about 90858.5406662467. The cubic root of 8255274412 is about 2021.0505279687.

The spelling of 8255274412 in words is "eight billion, two hundred fifty-five million, two hundred seventy-four thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 191 196 308 382 539 764 1078 1337 2101 2156 2674 4202 5348 8404 9359 14707 18718 20047 29414 37436 40094 58828 80188 102949 140329 205898 220517 280658 411796 441034 561316 882068 982303 1543619 1964606 3087238 3828977 3929212 6174476 7657954 10805333 15315908 21610666 26802839 42118747 43221332 53605678 84237494 107211356 168474988 187619873 294831229 375239746 589662458 750479492 1179324916 2063818603 4127637206 8255274412