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6681302928 = 243341377219
BaseRepresentation
bin1100011100011110…
…01001011110010000
3122020122001100121000
412032033021132100
5102140403143203
63022551302000
7324366065166
oct61617113620
918218040530
106681302928
11291946a863
12136567a900
1382628cab1
144754bb236
152918654a3
hex18e3c9790

6681302928 has 80 divisors (see below), whose sum is σ = 19645617600. Its totient is φ = 2172775680.

The previous prime is 6681302921. The next prime is 6681302941. The reversal of 6681302928 is 8292031866.

It is not an unprimeable number, because it can be changed into a prime (6681302921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170898 + ... + 206321.

It is an arithmetic number, because the mean of its divisors is an integer number (245570220).

Almost surely, 26681302928 is an apocalyptic number.

It is an amenable number.

6681302928 is an abundant number, since it is smaller than the sum of its proper divisors (12964314672).

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

6681302928 is a wasteful number, since it uses less digits than its factorization.

6681302928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377277 (or 377265 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6681302928 is about 81739.2373832788. The cubic root of 6681302928 is about 1883.4483759695.

The spelling of 6681302928 in words is "six billion, six hundred eighty-one million, three hundred two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 82 108 123 144 164 216 246 328 369 432 492 656 738 984 1107 1476 1968 2214 2952 4428 5904 8856 17712 377219 754438 1131657 1508876 2263314 3017752 3394971 4526628 6035504 6789942 9053256 10184913 13579884 15465979 18106512 20369826 27159768 30931958 40739652 46397937 54319536 61863916 81479304 92795874 123727832 139193811 162958608 185591748 247455664 278387622 371183496 417581433 556775244 742366992 835162866 1113550488 1670325732 2227100976 3340651464 6681302928