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2821104089 is a prime number
BaseRepresentation
bin1010100000100110…
…1010000111011001
321021121101221021122
42220021222013121
521234200312324
61143534015025
7126623663156
oct25011520731
97247357248
102821104089
111218492291
12668947475
1335c60907b
141ca95922d
15117a07a5e
hexa826a1d9

2821104089 has 2 divisors, whose sum is σ = 2821104090. Its totient is φ = 2821104088.

The previous prime is 2821104073. The next prime is 2821104103. The reversal of 2821104089 is 9804011282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2809848064 + 11256025 = 53008^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2821104089 - 24 = 2821104073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2821104019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410552044 + 1410552045.

It is an arithmetic number, because the mean of its divisors is an integer number (1410552045).

Almost surely, 22821104089 is an apocalyptic number.

It is an amenable number.

2821104089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2821104089 is an equidigital number, since it uses as much as digits as its factorization.

2821104089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 2821104089 is about 53114.0667714307. The cubic root of 2821104089 is about 1412.9920015668.

The spelling of 2821104089 in words is "two billion, eight hundred twenty-one million, one hundred four thousand, eighty-nine".