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2213022012 = 223184418501
BaseRepresentation
bin1000001111101000…
…0000100100111100
312201020012011111020
42003322000210330
514013013201022
61003332424140
7105561243135
oct20372004474
95636164436
102213022012
11a36214213
12519178050
132936408a6
1416dcaac8c
15ce44035c
hex83e8093c

2213022012 has 12 divisors (see below), whose sum is σ = 5163718056. Its totient is φ = 737674000.

The previous prime is 2213021999. The next prime is 2213022029. The reversal of 2213022012 is 2102203122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2213021982 and 2213022000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92209239 + ... + 92209262.

It is an arithmetic number, because the mean of its divisors is an integer number (430309838).

Almost surely, 22213022012 is an apocalyptic number.

It is an amenable number.

2213022012 is an abundant number, since it is smaller than the sum of its proper divisors (2950696044).

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

2213022012 is a wasteful number, since it uses less digits than its factorization.

2213022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184418508 (or 184418506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2213022012 is about 47042.7679032601. The cubic root of 2213022012 is about 1303.1525091214.

Adding to 2213022012 its reverse (2102203122), we get a palindrome (4315225134).

The spelling of 2213022012 in words is "two billion, two hundred thirteen million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 184418501 368837002 553255503 737674004 1106511006 2213022012