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428795941249 = 1384613898393
BaseRepresentation
bin1100011110101100011…
…10101101000110000001
31111222210112012202021101
412033112032231012001
524011133230104444
6524553001054401
742656651235334
oct6172616550601
91458715182241
10428795941249
11155940148255
126b12aa87401
133158741a730
1416a7a74261b
15b2499843d4
hex63d63ad181

428795941249 has 8 divisors (see below), whose sum is σ = 461834940392. Its totient is φ = 395764755840.

The previous prime is 428795941243. The next prime is 428795941261. The reversal of 428795941249 is 942149597824.

It can be written as a sum of positive squares in 4 ways, for example, as 139852065024 + 288943876225 = 373968^2 + 537535^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 428795941249 - 215 = 428795908481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428795941243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1839204 + ... + 2059189.

It is an arithmetic number, because the mean of its divisors is an integer number (57729367549).

Almost surely, 2428795941249 is an apocalyptic number.

It is an amenable number.

428795941249 is a deficient number, since it is larger than the sum of its proper divisors (33038999143).

428795941249 is a wasteful number, since it uses less digits than its factorization.

428795941249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906867.

The product of its digits is 52254720, while the sum is 64.

The spelling of 428795941249 in words is "four hundred twenty-eight billion, seven hundred ninety-five million, nine hundred forty-one thousand, two hundred forty-nine".

Divisors: 1 13 8461 109993 3898393 50679109 32984303173 428795941249