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2171063471 is a prime number
BaseRepresentation
bin1000000101100111…
…1100110010101111
312121022020110012012
42001121330302233
513421243012341
6555233231435
7104541510053
oct20131746257
95538213165
102171063471
11a14566135
1250710257b
13287a3c755
141684a7c63
15ca9030eb
hex8167ccaf

2171063471 has 2 divisors, whose sum is σ = 2171063472. Its totient is φ = 2171063470.

The previous prime is 2171063431. The next prime is 2171063483. The reversal of 2171063471 is 1743601712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2171063471 - 26 = 2171063407 is a prime.

It is a super-3 number, since 3×21710634713 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171063431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085531735 + 1085531736.

It is an arithmetic number, because the mean of its divisors is an integer number (1085531736).

Almost surely, 22171063471 is an apocalyptic number.

2171063471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171063471 is an equidigital number, since it uses as much as digits as its factorization.

2171063471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 2171063471 is about 46594.6721310495. The cubic root of 2171063471 is about 1294.8640497703.

The spelling of 2171063471 in words is "two billion, one hundred seventy-one million, sixty-three thousand, four hundred seventy-one".