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8070647828 = 222017661957
BaseRepresentation
bin1111000010000110…
…00101000000010100
3202211110100101111112
413201003011000110
5113012041212303
63412501554152
7403666242335
oct74103050024
922743311445
108070647828
113471741191
121692a15958
139b807a779
14567c1828c
153238030d8
hex1e10c5014

8070647828 has 6 divisors (see below), whose sum is σ = 14123633706. Its totient is φ = 4035323912.

The previous prime is 8070647801. The next prime is 8070647861. The reversal of 8070647828 is 8287460708.

It can be written as a sum of positive squares in only one way, i.e., 6146246404 + 1924401424 = 78398^2 + 43868^2 .

It is a super-2 number, since 2×80706478282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008830975 + ... + 1008830982.

It is an arithmetic number, because the mean of its divisors is an integer number (2353938951).

Almost surely, 28070647828 is an apocalyptic number.

It is an amenable number.

8070647828 is a deficient number, since it is larger than the sum of its proper divisors (6052985878).

8070647828 is a wasteful number, since it uses less digits than its factorization.

8070647828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017661961 (or 2017661959 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 8070647828 is about 89836.7843814548. The cubic root of 8070647828 is about 2005.8700732641.

The spelling of 8070647828 in words is "eight billion, seventy million, six hundred forty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 2017661957 4035323914 8070647828