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428753624892 = 22383430475527
BaseRepresentation
bin1100011110100111011…
…01010001111100111100
31111222200120120212010220
412033103231101330330
524011041411444032
6524544450101340
742655625452125
oct6172355217474
91458616525126
10428753624892
1115591927535a
126b11887a850
133157b722778
1416a74c8904c
15b245dc612c
hex63d3b51f3c

428753624892 has 24 divisors (see below), whose sum is σ = 1012478441856. Its totient is φ = 141195972528.

The previous prime is 428753624881. The next prime is 428753624899. The reversal of 428753624892 is 298426357824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428753624899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215236768 + ... + 215238759.

It is an arithmetic number, because the mean of its divisors is an integer number (42186601744).

Almost surely, 2428753624892 is an apocalyptic number.

It is an amenable number.

428753624892 is an abundant number, since it is smaller than the sum of its proper divisors (583724816964).

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

428753624892 is a wasteful number, since it uses less digits than its factorization.

428753624892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430475617 (or 430475615 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 60.

The spelling of 428753624892 in words is "four hundred twenty-eight billion, seven hundred fifty-three million, six hundred twenty-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 430475527 860951054 1291426581 1721902108 2582853162 5165706324 35729468741 71458937482 107188406223 142917874964 214376812446 428753624892