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2179116401 = 71128300213
BaseRepresentation
bin1000000111100010…
…1010110101110001
312121212101120201212
42001320222311301
513430323211101
61000122005505
7105000120020
oct20170526561
95555346655
102179116401
11a19066450
12509946895
132895cbcb7
141695a28b7
15cb4941bb
hex81e2ad71

2179116401 has 8 divisors (see below), whose sum is σ = 2716820544. Its totient is φ = 1698012720.

The previous prime is 2179116391. The next prime is 2179116409. The reversal of 2179116401 is 1046119712.

It is a happy number.

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 2179116401 - 218 = 2178854257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2179116409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14150030 + ... + 14150183.

It is an arithmetic number, because the mean of its divisors is an integer number (339602568).

Almost surely, 22179116401 is an apocalyptic number.

It is an amenable number.

2179116401 is a deficient number, since it is larger than the sum of its proper divisors (537704143).

2179116401 is a wasteful number, since it uses less digits than its factorization.

2179116401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28300231.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 2179116401 is about 46681.0068550369. The cubic root of 2179116401 is about 1296.4630485498.

The spelling of 2179116401 in words is "two billion, one hundred seventy-nine million, one hundred sixteen thousand, four hundred one".

Divisors: 1 7 11 77 28300213 198101491 311302343 2179116401