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2218495104 = 273271716183
BaseRepresentation
bin1000010000111011…
…1000110010000000
312201121111020011100
42010032320302000
514020413320404
61004050014400
7105655616520
oct20416706200
95647436140
102218495104
11a39312231
1251ab77400
13294808ac7
141708d3680
15ceb71d39
hex843b8c80

2218495104 has 192 divisors, whose sum is σ = 7725594240. Its totient is φ = 596533248.

The previous prime is 2218495073. The next prime is 2218495109. The reversal of 2218495104 is 4015948122.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2218495109) 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 23 ways as a sum of consecutive naturals, for example, 128997 + ... + 145179.

It is an arithmetic number, because the mean of its divisors is an integer number (40237470).

Almost surely, 22218495104 is an apocalyptic number.

2218495104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218495104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862797120).

2218495104 is an abundant number, since it is smaller than the sum of its proper divisors (5507099136).

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

2218495104 is a wasteful number, since it uses less digits than its factorization.

2218495104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16227 (or 16212 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2218495104 is about 47100.9034308260. The cubic root of 2218495104 is about 1304.2259134103.

The spelling of 2218495104 in words is "two billion, two hundred eighteen million, four hundred ninety-five thousand, one hundred four".