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2171436053 is a prime number
BaseRepresentation
bin1000000101101101…
…0111110000010101
312121022221101021112
42001123113300111
513421341423203
6555245224405
7104544621233
oct20133276025
95538841245
102171436053
11a147a0056
12507262105
13287b40207
14168563953
15ca9786d8
hex816d7c15

2171436053 has 2 divisors, whose sum is σ = 2171436054. Its totient is φ = 2171436052.

The previous prime is 2171436041. The next prime is 2171436079. The reversal of 2171436053 is 3506341712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303426609 + 868009444 = 36103^2 + 29462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171436053 - 210 = 2171435029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171436653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085718026 + 1085718027.

It is an arithmetic number, because the mean of its divisors is an integer number (1085718027).

Almost surely, 22171436053 is an apocalyptic number.

It is an amenable number.

2171436053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171436053 is an equidigital number, since it uses as much as digits as its factorization.

2171436053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2171436053 is about 46598.6700775891. The cubic root of 2171436053 is about 1294.9381172260.

Adding to 2171436053 its reverse (3506341712), we get a palindrome (5677777765).

The spelling of 2171436053 in words is "two billion, one hundred seventy-one million, four hundred thirty-six thousand, fifty-three".