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3124216217 = 89160921817
BaseRepresentation
bin1011101000110111…
…1100000110011001
322001201202121221202
42322031330012121
522344244404332
61234002443545
7140264254043
oct27215740631
98051677852
103124216217
1113635a1981
127323635b5
133aa356565
14218cdca93
1513442da62
hexba37c199

3124216217 has 8 divisors (see below), whose sum is σ = 3161428200. Its totient is φ = 3087051264.

The previous prime is 3124216211. The next prime is 3124216237. The reversal of 3124216217 is 7126124213.

It can be written as a sum of positive squares in 4 ways, for example, as 1098856201 + 2025360016 = 33149^2 + 45004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3124216217 - 214 = 3124199833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3124216217.

It is not an unprimeable number, because it can be changed into a prime (3124216211) 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 in 7 ways as a sum of consecutive naturals, for example, 132293 + ... + 154109.

It is an arithmetic number, because the mean of its divisors is an integer number (395178525).

Almost surely, 23124216217 is an apocalyptic number.

It is an amenable number.

3124216217 is a deficient number, since it is larger than the sum of its proper divisors (37211983).

3124216217 is a wasteful number, since it uses less digits than its factorization.

3124216217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23515.

The product of its digits is 4032, while the sum is 29.

The square root of 3124216217 is about 55894.6886296006. The cubic root of 3124216217 is about 1461.8866297985.

The spelling of 3124216217 in words is "three billion, one hundred twenty-four million, two hundred sixteen thousand, two hundred seventeen".

Divisors: 1 89 1609 21817 143201 1941713 35103553 3124216217