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6816395248 = 2413291130039
BaseRepresentation
bin1100101100100100…
…11110111111110000
3122121001020202102021
412112102132333300
5102424444121443
63044215001224
7330626255305
oct62622367760
918531222367
106816395248
11298874a703
1213a2969214
1384826c390
144894050ac
1529d64c9ed
hex19649eff0

6816395248 has 40 divisors (see below), whose sum is σ = 14713120800. Its totient is φ = 3037542144.

The previous prime is 6816395239. The next prime is 6816395249. The reversal of 6816395248 is 8425936186.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 6816395195 and 6816395204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816395249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 558988 + ... + 571051.

It is an arithmetic number, because the mean of its divisors is an integer number (367828020).

Almost surely, 26816395248 is an apocalyptic number.

It is an amenable number.

6816395248 is an abundant number, since it is smaller than the sum of its proper divisors (7896725552).

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

6816395248 is a wasteful number, since it uses less digits than its factorization.

6816395248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130089 (or 1130083 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 6816395248 is about 82561.4634560217. The cubic root of 6816395248 is about 1896.0578697168.

The spelling of 6816395248 in words is "six billion, eight hundred sixteen million, three hundred ninety-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 29 52 58 104 116 208 232 377 464 754 1508 3016 6032 1130039 2260078 4520156 9040312 14690507 18080624 29381014 32771131 58762028 65542262 117524056 131084524 235048112 262169048 426024703 524338096 852049406 1704098812 3408197624 6816395248