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8100868828 = 2213155785939
BaseRepresentation
bin1111000101101100…
…10111001011011100
3202220120012202220211
413202312113023130
5113042310300303
63415501422204
7404514151243
oct74266271334
922816182824
108100868828
113487802718
1216a0b6a964
139c13cc210
1456bc4395a
153262c266d
hex1e2d972dc

8100868828 has 12 divisors (see below), whose sum is σ = 15267022120. Its totient is φ = 3738862512.

The previous prime is 8100868813. The next prime is 8100868889. The reversal of 8100868828 is 8288680018.

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 3 ways as a sum of consecutive naturals, for example, 77892918 + ... + 77893021.

Almost surely, 28100868828 is an apocalyptic number.

It is an amenable number.

8100868828 is a deficient number, since it is larger than the sum of its proper divisors (7166153292).

8100868828 is a wasteful number, since it uses less digits than its factorization.

8100868828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155785956 (or 155785954 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 49.

The square root of 8100868828 is about 90004.8266927946. The cubic root of 8100868828 is about 2008.3706528758.

The spelling of 8100868828 in words is "eight billion, one hundred million, eight hundred sixty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 155785939 311571878 623143756 2025217207 4050434414 8100868828