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2215053201 = 31096773863
BaseRepresentation
bin1000010000000111…
…0000011110010001
312201101000100202110
42010001300132101
514014023200301
61003444135533
7105614433024
oct20401603621
95641010673
102215053201
11a37381289
125199975a9
13293ba228a
141702791bb
15ce6e20d6
hex84070791

2215053201 has 8 divisors (see below), whose sum is σ = 2980500160. Its totient is φ = 1463154192.

The previous prime is 2215053179. The next prime is 2215053209. The reversal of 2215053201 is 1023505122.

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

It is not a de Polignac number, because 2215053201 - 27 = 2215053073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215053209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386605 + ... + 3387258.

It is an arithmetic number, because the mean of its divisors is an integer number (372562520).

Almost surely, 22215053201 is an apocalyptic number.

It is an amenable number.

2215053201 is a deficient number, since it is larger than the sum of its proper divisors (765446959).

2215053201 is a wasteful number, since it uses less digits than its factorization.

2215053201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2215053201 is about 47064.3517006237. The cubic root of 2215053201 is about 1303.5510801884.

Adding to 2215053201 its reverse (1023505122), we get a palindrome (3238558323).

The spelling of 2215053201 in words is "two billion, two hundred fifteen million, fifty-three thousand, two hundred one".

Divisors: 1 3 109 327 6773863 20321589 738351067 2215053201