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2221130132 = 221367837681
BaseRepresentation
bin1000010001100011…
…1100000110010100
312201210110002201222
42010120330012110
514022102131012
61004222305512
7106020203024
oct20430740624
95653402658
102221130132
11a3a851a41
1251ba28298
1329521c2b0
14170dbba84
15ceee2972
hex8463c194

2221130132 has 48 divisors (see below), whose sum is σ = 4300199232. Its totient is φ = 997539840.

The previous prime is 2221130117. The next prime is 2221130143. The reversal of 2221130132 is 2310311222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221130132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285332 + ... + 293012.

It is an arithmetic number, because the mean of its divisors is an integer number (89587484).

Almost surely, 22221130132 is an apocalyptic number.

It is an amenable number.

2221130132 is a deficient number, since it is larger than the sum of its proper divisors (2079069100).

2221130132 is a wasteful number, since it uses less digits than its factorization.

2221130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848 (or 7846 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2221130132 is about 47128.8672895923. The cubic root of 2221130132 is about 1304.7420759281.

Adding to 2221130132 its reverse (2310311222), we get a palindrome (4531441354).

The spelling of 2221130132 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 67 83 134 166 268 332 871 1079 1742 2158 3484 4316 5561 7681 11122 15362 22244 30724 72293 99853 144586 199706 289172 399412 514627 637523 1029254 1275046 2058508 2550092 6690151 8287799 13380302 16575598 26760604 33151196 42714041 85428082 170856164 555282533 1110565066 2221130132