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2321215199 = 19231320543
BaseRepresentation
bin1000101001011010…
…1110111011011111
312222202202221122022
42022112232323133
514223212341244
61022155410355
7111344001152
oct21226567337
95882687568
102321215199
11a912a1376
125494539bb
132acb92724
141803d1c99
15d8bb26ee
hex8a5aeedf

2321215199 has 12 divisors (see below), whose sum is σ = 2457760896. Its totient is φ = 2191913568.

The previous prime is 2321215163. The next prime is 2321215213. The reversal of 2321215199 is 9915121232.

It is a de Polignac number, because none of the positive numbers 2k-2321215199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321215399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102722 + ... + 123264.

It is an arithmetic number, because the mean of its divisors is an integer number (204813408).

Almost surely, 22321215199 is an apocalyptic number.

2321215199 is a deficient number, since it is larger than the sum of its proper divisors (136545697).

2321215199 is a wasteful number, since it uses less digits than its factorization.

2321215199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20894 (or 20875 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 2321215199 is about 48178.9912617523. The cubic root of 2321215199 is about 1324.0522852074.

The spelling of 2321215199 in words is "two billion, three hundred twenty-one million, two hundred fifteen thousand, one hundred ninety-nine".

Divisors: 1 19 313 361 5947 20543 112993 390317 6429959 7416023 122169221 2321215199