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20795841418 = 211285933229
BaseRepresentation
bin10011010111100001…
…110101101110001010
31222200022001012102211
4103113201311232022
5320042213411133
613315315015334
71334224510162
oct232741655612
958608035384
1020795841418
11890178a500
12404459a54a
131c65532a11
141013c8b5a2
1581aa70bcd
hex4d7875b8a

20795841418 has 12 divisors (see below), whose sum is σ = 34287358770. Its totient is φ = 9452655080.

The previous prime is 20795841403. The next prime is 20795841439. The reversal of 20795841418 is 81414859702.

It can be written as a sum of positive squares in only one way, i.e., 16049595969 + 4746245449 = 126687^2 + 68893^2 .

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 5 ways as a sum of consecutive naturals, for example, 42966373 + ... + 42966856.

Almost surely, 220795841418 is an apocalyptic number.

20795841418 is a deficient number, since it is larger than the sum of its proper divisors (13491517352).

20795841418 is a wasteful number, since it uses less digits than its factorization.

20795841418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85933253 (or 85933242 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 20795841418 in words is "twenty billion, seven hundred ninety-five million, eight hundred forty-one thousand, four hundred eighteen".

Divisors: 1 2 11 22 121 242 85933229 171866458 945265519 1890531038 10397920709 20795841418