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20282964808 = 234358962107
BaseRepresentation
bin10010111000111101…
…010111101101001000
31221100112222100222211
4102320331113231020
5313014414333213
613152354154504
71315426233121
oct227075275510
957315870884
1020282964808
118669228737
123b20882a34
131bb31bc932
14da5b03048
157daa1253d
hex4b8f57b48

20282964808 has 16 divisors (see below), whose sum is σ = 38914991280. Its totient is φ = 9905633808.

The previous prime is 20282964763. The next prime is 20282964817. The reversal of 20282964808 is 80846928202.

It is a super-3 number, since 3×202829648083 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 29480710 + ... + 29481397.

It is an arithmetic number, because the mean of its divisors is an integer number (2432186955).

Almost surely, 220282964808 is an apocalyptic number.

It is an amenable number.

20282964808 is a deficient number, since it is larger than the sum of its proper divisors (18632026472).

20282964808 is a wasteful number, since it uses less digits than its factorization.

20282964808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58962156 (or 58962152 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 20282964808 in words is "twenty billion, two hundred eighty-two million, nine hundred sixty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 43 86 172 344 58962107 117924214 235848428 471696856 2535370601 5070741202 10141482404 20282964808