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84252842287 = 1072712905571
BaseRepresentation
bin100111001110111011…
…1000101100100101111
322001110201120211212021
41032131313011210233
52340022211423122
6102412154451011
76041602225465
oct1163567054457
9261421524767
1084252842287
1132805595479
12143b4133a67
137c39252843
144113908835
1522d1a3a1c7
hex139ddc592f

84252842287 has 8 divisors (see below), whose sum is σ = 85354083072. Its totient is φ = 83157413400.

The previous prime is 84252842281. The next prime is 84252842309. The reversal of 84252842287 is 78224825248.

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 84252842287 - 211 = 84252840239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84252842281) 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, 1423789 + ... + 1481782.

It is an arithmetic number, because the mean of its divisors is an integer number (10669260384).

Almost surely, 284252842287 is an apocalyptic number.

84252842287 is a deficient number, since it is larger than the sum of its proper divisors (1101240785).

84252842287 is a wasteful number, since it uses less digits than its factorization.

84252842287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905949.

The product of its digits is 4587520, while the sum is 52.

The spelling of 84252842287 in words is "eighty-four billion, two hundred fifty-two million, eight hundred forty-two thousand, two hundred eighty-seven".

Divisors: 1 107 271 28997 2905571 310896097 787409741 84252842287