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2132221043 = 21159317041
BaseRepresentation
bin111111100010111…
…0001110001110011
312111121011001101202
41333011301301303
513331322033133
6551324521415
7103560402611
oct17705616163
95447131352
102132221043
119a4646257
124b60b026b
1327c98ca74
141632766b1
15c72ce2e8
hex7f171c73

2132221043 has 8 divisors (see below), whose sum is σ = 2146064976. Its totient is φ = 2118412800.

The previous prime is 2132221037. The next prime is 2132221081. The reversal of 2132221043 is 3401222312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2132221043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116603 + ... + 133643.

It is an arithmetic number, because the mean of its divisors is an integer number (268258122).

Almost surely, 22132221043 is an apocalyptic number.

2132221043 is a deficient number, since it is larger than the sum of its proper divisors (13843933).

2132221043 is a wasteful number, since it uses less digits than its factorization.

2132221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17845.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2132221043 is about 46175.9790692087. The cubic root of 2132221043 is about 1287.0954104735.

Adding to 2132221043 its reverse (3401222312), we get a palindrome (5533443355).

The spelling of 2132221043 in words is "two billion, one hundred thirty-two million, two hundred twenty-one thousand, forty-three".

Divisors: 1 211 593 17041 125123 3595651 10105313 2132221043