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2215450716 = 223184620893
BaseRepresentation
bin1000010000001101…
…0001100001011100
312201101202120001020
42010003101201130
514014123410331
61003500444140
7105621006663
oct20403214134
95641676036
102215450716
11a37622a06
12519b49650
13293cb11ab
1417033ddda
15ce76ec96
hex840d185c

2215450716 has 12 divisors (see below), whose sum is σ = 5169385032. Its totient is φ = 738483568.

The previous prime is 2215450639. The next prime is 2215450733. The reversal of 2215450716 is 6170545122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92310435 + ... + 92310458.

It is an arithmetic number, because the mean of its divisors is an integer number (430782086).

Almost surely, 22215450716 is an apocalyptic number.

It is an amenable number.

2215450716 is an abundant number, since it is smaller than the sum of its proper divisors (2953934316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215450716 is a wasteful number, since it uses less digits than its factorization.

2215450716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184620900 (or 184620898 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2215450716 is about 47068.5746119425. The cubic root of 2215450716 is about 1303.6290542544.

Adding to 2215450716 its reverse (6170545122), we get a palindrome (8385995838).

The spelling of 2215450716 in words is "two billion, two hundred fifteen million, four hundred fifty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 184620893 369241786 553862679 738483572 1107725358 2215450716