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6809485536 = 253371125907
BaseRepresentation
bin1100101011110000…
…01000000011100000
3122120120020201002000
412111320020003200
5102421212014121
63043410524000
7330513446340
oct62570100340
918516221060
106809485536
1129848602a7
1213a0596600
138469c02a9
14488526d20
1529cc35526
hex195e080e0

6809485536 has 96 divisors (see below), whose sum is σ = 22698305280. Its totient is φ = 1945565568.

The previous prime is 6809485523. The next prime is 6809485561. The reversal of 6809485536 is 6355849086.

It is a happy number.

6809485536 is a `hidden beast` number, since 6 + 80 + 9 + 4 + 8 + 553 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 556906 + ... + 569001.

It is an arithmetic number, because the mean of its divisors is an integer number (236440680).

Almost surely, 26809485536 is an apocalyptic number.

It is an amenable number.

6809485536 is an abundant number, since it is smaller than the sum of its proper divisors (15888819744).

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

6809485536 is a wasteful number, since it uses less digits than its factorization.

6809485536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125933 (or 1125919 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The square root of 6809485536 is about 82519.6069791901. The cubic root of 6809485536 is about 1895.4169814520.

The spelling of 6809485536 in words is "six billion, eight hundred nine million, four hundred eighty-five thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 1125907 2251814 3377721 4503628 6755442 7881349 9007256 10133163 13510884 15762698 18014512 20266326 23644047 27021768 30399489 31525396 36029024 40532652 47288094 54043536 60798978 63050792 70932141 81065304 94576188 108087072 121597956 126101584 141864282 162130608 189152376 212796423 243195912 252203168 283728564 324261216 378304752 425592846 486391824 567457128 756609504 851185692 972783648 1134914256 1702371384 2269828512 3404742768 6809485536