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2133222160 = 24526665277
BaseRepresentation
bin111111100100110…
…0110001100010000
312111200000220200011
41333021212030100
513332101102120
6551402204304
7103602042406
oct17711461420
95450026604
102133222160
119a516a423
124b64b3694
1327cc50644
14163457476
15c742ac5a
hex7f266310

2133222160 has 20 divisors (see below), whose sum is σ = 4959741708. Its totient is φ = 853288832.

The previous prime is 2133222137. The next prime is 2133222163. The reversal of 2133222160 is 612223312.

It can be written as a sum of positive squares in 2 ways, for example, as 1135420416 + 997801744 = 33696^2 + 31588^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2133222163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13332559 + ... + 13332718.

Almost surely, 22133222160 is an apocalyptic number.

2133222160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133222160 is an abundant number, since it is smaller than the sum of its proper divisors (2826519548).

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

2133222160 is a wasteful number, since it uses less digits than its factorization.

2133222160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665290 (or 26665284 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2133222160 is about 46186.8180328544. The cubic root of 2133222160 is about 1287.2968172788.

Adding to 2133222160 its reverse (612223312), we get a palindrome (2745445472).

The spelling of 2133222160 in words is "two billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26665277 53330554 106661108 133326385 213322216 266652770 426644432 533305540 1066611080 2133222160