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2221012054 = 210712318431
BaseRepresentation
bin1000010001100001…
…1111010001010110
312201210020002202201
42010120133101112
514022034341204
61004215555114
7106016201542
oct20430372126
95653202681
102221012054
11a3a781258
1251b98ba9a
132951aa621
14170d8aa22
15ceebc9a4
hex8461f456

2221012054 has 16 divisors (see below), whose sum is σ = 3365784576. Its totient is φ = 1099103400.

The previous prime is 2221012033. The next prime is 2221012063. The reversal of 2221012054 is 4502101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259219 + ... + 267649.

It is an arithmetic number, because the mean of its divisors is an integer number (210361536).

Almost surely, 22221012054 is an apocalyptic number.

2221012054 is a deficient number, since it is larger than the sum of its proper divisors (1144772522).

2221012054 is a wasteful number, since it uses less digits than its factorization.

2221012054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2221012054 is about 47127.6145587701. The cubic root of 2221012054 is about 1304.7189549558.

Adding to 2221012054 its reverse (4502101222), we get a palindrome (6723113276).

The spelling of 2221012054 in words is "two billion, two hundred twenty-one million, twelve thousand, fifty-four".

Divisors: 1 2 107 214 1231 2462 8431 16862 131717 263434 902117 1804234 10378561 20757122 1110506027 2221012054