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6450804672 = 263132584457
BaseRepresentation
bin1100000000111111…
…10111011111000000
3121122120022211102120
412000133313133000
5101202401222142
62544035044240
7315566635464
oct60037673700
917576284376
106450804672
112810347034
121300440680
137ba5b7ab0
14452a3a4a4
1527b4d47ec
hex1807f77c0

6450804672 has 56 divisors (see below), whose sum is σ = 18380665296. Its totient is φ = 1984862208.

The previous prime is 6450804637. The next prime is 6450804673. The reversal of 6450804672 is 2764080546.

It is a super-2 number, since 2×64508046722 = 83225761832594055168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450804673) 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, 1289733 + ... + 1294724.

It is an arithmetic number, because the mean of its divisors is an integer number (328226166).

Almost surely, 26450804672 is an apocalyptic number.

It is an amenable number.

6450804672 is an abundant number, since it is smaller than the sum of its proper divisors (11929860624).

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

6450804672 is a wasteful number, since it uses less digits than its factorization.

6450804672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584485 (or 2584475 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 6450804672 is about 80316.9015338615. The cubic root of 6450804672 is about 1861.5353907918.

The spelling of 6450804672 in words is "six billion, four hundred fifty million, eight hundred four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 2584457 5168914 7753371 10337828 15506742 20675656 31013484 33597941 41351312 62026968 67195882 82702624 100793823 124053936 134391764 165405248 201587646 248107872 268783528 403175292 496215744 537567056 806350584 1075134112 1612701168 2150268224 3225402336 6450804672