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428111982897 = 31391026647441
BaseRepresentation
bin1100011101011010111…
…01100111000100110001
31111221000212020001210120
412032231131213010301
524003233131423042
6524401045320453
742634004545554
oct6165535470461
91457025201716
10428111982897
1115561a065215
126ab79a06129
13314a8806b51
1416a1398269b
15b2098cedec
hex63ad767131

428111982897 has 8 divisors (see below), whose sum is σ = 574922567520. Its totient is φ = 283354693440.

The previous prime is 428111982841. The next prime is 428111982937. The reversal of 428111982897 is 798289111824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428111982897 - 215 = 428111950129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428111982897.

It is not an unprimeable number, because it can be changed into a prime (428111982797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513323304 + ... + 513324137.

It is an arithmetic number, because the mean of its divisors is an integer number (71865320940).

Almost surely, 2428111982897 is an apocalyptic number.

It is an amenable number.

428111982897 is a deficient number, since it is larger than the sum of its proper divisors (146810584623).

428111982897 is a wasteful number, since it uses less digits than its factorization.

428111982897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026647583.

The product of its digits is 4644864, while the sum is 60.

The spelling of 428111982897 in words is "four hundred twenty-eight billion, one hundred eleven million, nine hundred eighty-two thousand, eight hundred ninety-seven".

Divisors: 1 3 139 417 1026647441 3079942323 142703994299 428111982897