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8500854321 = 32944539369
BaseRepresentation
bin1111110101011000…
…01011111000110001
3210221102212010212100
413322230023320301
5114402204314241
63523310451013
7420442032561
oct77254137061
923842763770
108500854321
113672568743
121792b03a69
13a5623701b
145a9002da1
1534b4819b6
hex1fab0be31

8500854321 has 6 divisors (see below), whose sum is σ = 12279011810. Its totient is φ = 5667236208.

The previous prime is 8500854293. The next prime is 8500854331. The reversal of 8500854321 is 1234580058.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5391230625 + 3109623696 = 73425^2 + 55764^2 .

It is not a de Polignac number, because 8500854321 - 210 = 8500853297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8500854331) 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 5 ways as a sum of consecutive naturals, for example, 472269676 + ... + 472269693.

Almost surely, 28500854321 is an apocalyptic number.

It is an amenable number.

8500854321 is a deficient number, since it is larger than the sum of its proper divisors (3778157489).

8500854321 is a wasteful number, since it uses less digits than its factorization.

8500854321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944539375 (or 944539372 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8500854321 is about 92200.0776626571. The cubic root of 8500854321 is about 2040.8959220734.

The spelling of 8500854321 in words is "eight billion, five hundred million, eight hundred fifty-four thousand, three hundred twenty-one".

Divisors: 1 3 9 944539369 2833618107 8500854321