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6809530624 = 28132046133
BaseRepresentation
bin1100101011110000…
…10011000100000000
3122120120022222220221
412111320103010000
5102421214434444
63043411512424
7330514024651
oct62570230400
918516288827
106809530624
112984891166
1213a05b8714
13846a07980
14488539528
1529cc43a84
hex195e13100

6809530624 has 36 divisors (see below), whose sum is σ = 14638042636. Its totient is φ = 3142858752.

The previous prime is 6809530619. The next prime is 6809530639. The reversal of 6809530624 is 4260359086.

It can be written as a sum of positive squares in 2 ways, for example, as 541958400 + 6267572224 = 23280^2 + 79168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019739 + ... + 1026394.

Almost surely, 26809530624 is an apocalyptic number.

6809530624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6809530624 is an abundant number, since it is smaller than the sum of its proper divisors (7828512012).

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

6809530624 is a wasteful number, since it uses less digits than its factorization.

6809530624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046162 (or 2046148 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 6809530624 is about 82519.8801744162. The cubic root of 6809530624 is about 1895.4211648504.

The spelling of 6809530624 in words is "six billion, eight hundred nine million, five hundred thirty thousand, six hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 2046133 4092266 8184532 16369064 26599729 32738128 53199458 65476256 106398916 130952512 212797832 261905024 425595664 523810048 851191328 1702382656 3404765312 6809530624