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2185241159 is a prime number
BaseRepresentation
bin1000001001000000…
…0010001001000111
312122021220202022202
42002100002021013
513433410204114
61000501145115
7105103146323
oct20220021107
95567822282
102185241159
11a2156a032
1250b9bb19b
1328a964a0a
1416a318983
15cbca3cde
hex82402247

2185241159 has 2 divisors, whose sum is σ = 2185241160. Its totient is φ = 2185241158.

The previous prime is 2185241143. The next prime is 2185241197. The reversal of 2185241159 is 9511425812.

It is an a-pointer prime, because the next prime (2185241197) can be obtained adding 2185241159 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2185241159 - 24 = 2185241143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185241059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092620579 + 1092620580.

It is an arithmetic number, because the mean of its divisors is an integer number (1092620580).

Almost surely, 22185241159 is an apocalyptic number.

2185241159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185241159 is an equidigital number, since it uses as much as digits as its factorization.

2185241159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 38.

The square root of 2185241159 is about 46746.5630715243. The cubic root of 2185241159 is about 1297.6765518222.

The spelling of 2185241159 in words is "two billion, one hundred eighty-five million, two hundred forty-one thousand, one hundred fifty-nine".