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8946793189 is a prime number
BaseRepresentation
bin10000101010100010…
…10011101011100101
3212002111222011222201
420111101103223211
5121310334340224
64035440454501
7434465326105
oct102521235345
925074864881
108946793189
113881260164
12189831a431
13ac7741389
1460c325205
153756bba44
hex215453ae5

8946793189 has 2 divisors, whose sum is σ = 8946793190. Its totient is φ = 8946793188.

The previous prime is 8946793183. The next prime is 8946793231. The reversal of 8946793189 is 9813976498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6032628900 + 2914164289 = 77670^2 + 53983^2 .

It is a cyclic number.

It is not a de Polignac number, because 8946793189 - 23 = 8946793181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8946793189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8946793181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473396594 + 4473396595.

It is an arithmetic number, because the mean of its divisors is an integer number (4473396595).

Almost surely, 28946793189 is an apocalyptic number.

It is an amenable number.

8946793189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8946793189 is an equidigital number, since it uses as much as digits as its factorization.

8946793189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 64.

The square root of 8946793189 is about 94587.4896008981. The cubic root of 8946793189 is about 2075.9766584626.

The spelling of 8946793189 in words is "eight billion, nine hundred forty-six million, seven hundred ninety-three thousand, one hundred eighty-nine".