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428065087541 = 71331263576967
BaseRepresentation
bin1100011101010101010…
…10101110000000110101
31111220220120222112110112
412032222222232000311
524003134130300131
6524352252232405
742632565131450
oct6165252560065
91456816875415
10428065087541
111555a5645023
126ab6616b705
133149bb97910
1416a0b656497
15b20571a02b
hex63aaaae035

428065087541 has 32 divisors (see below), whose sum is σ = 545913274368. Its totient is φ = 326516598720.

The previous prime is 428065087537. The next prime is 428065087543. The reversal of 428065087541 is 145780560824.

It is not a de Polignac number, because 428065087541 - 22 = 428065087537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428065087541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428065087543) 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 31 ways as a sum of consecutive naturals, for example, 453440 + ... + 1030406.

It is an arithmetic number, because the mean of its divisors is an integer number (17059789824).

Almost surely, 2428065087541 is an apocalyptic number.

It is an amenable number.

428065087541 is a deficient number, since it is larger than the sum of its proper divisors (117848186827).

428065087541 is a wasteful number, since it uses less digits than its factorization.

428065087541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577281.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 428065087541 in words is "four hundred twenty-eight billion, sixty-five million, eighty-seven thousand, five hundred forty-one".

Divisors: 1 7 13 31 91 217 263 403 1841 2821 3419 8153 23933 57071 105989 576967 741923 4038769 7500571 17885977 52503997 125201839 151742321 232517701 1062196247 1627623907 1972650173 4704011951 13808551211 32928083657 61152155363 428065087541