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2221530063 = 31750818573
BaseRepresentation
bin1000010001101001…
…1101101111001111
312201211012102100020
42010122131233033
514022202430223
61004235033223
7106023460014
oct20432355717
95654172306
102221530063
11a3aaa5465
1251bb9b813
1329532c33c
1417108370b
15d00711e3
hex8469dbcf

2221530063 has 16 divisors (see below), whose sum is σ = 3137260896. Its totient is φ = 1393464320.

The previous prime is 2221530053. The next prime is 2221530071. The reversal of 2221530063 is 3600351222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221530063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221530013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254845 + ... + 263417.

It is an arithmetic number, because the mean of its divisors is an integer number (196078806).

Almost surely, 22221530063 is an apocalyptic number.

2221530063 is a deficient number, since it is larger than the sum of its proper divisors (915730833).

2221530063 is a wasteful number, since it uses less digits than its factorization.

2221530063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2221530063 is about 47133.1100501548. The cubic root of 2221530063 is about 1304.8203807335.

Adding to 2221530063 its reverse (3600351222), we get a palindrome (5821881285).

The spelling of 2221530063 in words is "two billion, two hundred twenty-one million, five hundred thirty thousand, sixty-three".

Divisors: 1 3 17 51 5081 8573 15243 25719 86377 145741 259131 437223 43559413 130678239 740510021 2221530063