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8362089842 = 2646612
BaseRepresentation
bin1111100100110101…
…10101110101110010
3210120202202011210012
413302122311311302
5114111143333332
63501432334522
7414135406451
oct76232656562
923522664705
108362089842
1136011aa957
121754544442
13a33570172
14594800b98
1533e1c13b2
hex1f26b5d72

8362089842 has 6 divisors (see below), whose sum is σ = 12543328749. Its totient is φ = 4180980260.

The previous prime is 8362089821. The next prime is 8362089847. The reversal of 8362089842 is 2489802638.

It can be written as a sum of positive squares in 2 ways, for example, as 5149354081 + 3212735761 = 71759^2 + 56681^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=64661.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8362089847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96992 + ... + 161652.

Almost surely, 28362089842 is an apocalyptic number.

8362089842 is a deficient number, since it is larger than the sum of its proper divisors (4181238907).

8362089842 is an frugal number, since it uses more digits than its factorization.

8362089842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129324 (or 64663 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 8362089842 is about 91444.4631566067. The cubic root of 8362089842 is about 2029.7300264623.

Multiplying 8362089842 by its sum of digits (50), we get a square (418104492100 = 6466102).

The spelling of 8362089842 in words is "eight billion, three hundred sixty-two million, eighty-nine thousand, eight hundred forty-two".

Divisors: 1 2 64661 129322 4181044921 8362089842