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8136034820 = 225616668881
BaseRepresentation
bin1111001001111001…
…00000101000000100
3210000000101101120222
413210330200220010
5113130311103240
63423155243512
7405422104064
oct74474405004
923000341528
108136034820
1134a5641421
1216b08a9598
139c87926b4
145727993a4
1532941beb5
hex1e4f20a04

8136034820 has 24 divisors (see below), whose sum is σ = 17365768728. Its totient is φ = 3201062400.

The previous prime is 8136034813. The next prime is 8136034843. The reversal of 8136034820 is 284306318.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33154564 + 8102880256 = 5758^2 + 90016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333221 + ... + 3335660.

It is an arithmetic number, because the mean of its divisors is an integer number (723573697).

Almost surely, 28136034820 is an apocalyptic number.

It is an amenable number.

8136034820 is an abundant number, since it is smaller than the sum of its proper divisors (9229733908).

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

8136034820 is a wasteful number, since it uses less digits than its factorization.

8136034820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668951 (or 6668949 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8136034820 is about 90199.9712860265. The cubic root of 8136034820 is about 2011.2725801007.

The spelling of 8136034820 in words is "eight billion, one hundred thirty-six million, thirty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 6668881 13337762 26675524 33344405 66688810 133377620 406801741 813603482 1627206964 2034008705 4068017410 8136034820