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64026808086 = 23311657207743
BaseRepresentation
bin111011101000010010…
…111000111100010110
320010021010201211222110
4323220102320330112
52022111330324321
645225152411450
74424433613653
oct735022707426
9203233654873
1064026808086
112517651162a
12104aa546b86
136064aa6a77
1431555c4c2a
1519eb021176
hexee84b8f16

64026808086 has 32 divisors (see below), whose sum is σ = 132264787968. Its totient is φ = 20641245120.

The previous prime is 64026808063. The next prime is 64026808103. The reversal of 64026808086 is 68080862046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 204331 + ... + 412073.

It is an arithmetic number, because the mean of its divisors is an integer number (4133274624).

Almost surely, 264026808086 is an apocalyptic number.

64026808086 is an abundant number, since it is smaller than the sum of its proper divisors (68237979882).

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

64026808086 is a wasteful number, since it uses less digits than its factorization.

64026808086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209436.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 64026808086 in words is "sixty-four billion, twenty-six million, eight hundred eight thousand, eighty-six".

Divisors: 1 2 3 6 31 62 93 186 1657 3314 4971 9942 51367 102734 154101 207743 308202 415486 623229 1246458 6440033 12880066 19320099 38640198 344230151 688460302 1032690453 2065380906 10671134681 21342269362 32013404043 64026808086