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2021432053 is a prime number
BaseRepresentation
bin111100001111100…
…1001101011110101
312012212200101110211
41320133021223311
513114441311203
6532330145421
7101043613624
oct17037115365
95185611424
102021432053
11948055903
12484b82271
13262a3c554
141526776bb
15bc6e7c6d
hex787c9af5

2021432053 has 2 divisors, whose sum is σ = 2021432054. Its totient is φ = 2021432052.

The previous prime is 2021432047. The next prime is 2021432057. The reversal of 2021432053 is 3502341202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1899042084 + 122389969 = 43578^2 + 11063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021432053 - 29 = 2021431541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021432057) 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 as a sum of consecutive naturals, namely, 1010716026 + 1010716027.

It is an arithmetic number, because the mean of its divisors is an integer number (1010716027).

Almost surely, 22021432053 is an apocalyptic number.

It is an amenable number.

2021432053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021432053 is an equidigital number, since it uses as much as digits as its factorization.

2021432053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2021432053 is about 44960.3386664291. The cubic root of 2021432053 is about 1264.4055183959.

Adding to 2021432053 its reverse (3502341202), we get a palindrome (5523773255).

The spelling of 2021432053 in words is "two billion, twenty-one million, four hundred thirty-two thousand, fifty-three".