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2121024110 = 253974391217
BaseRepresentation
bin111111001101100…
…0100001001101110
312110211002012002112
41332123010021232
513320440232420
6550244524022
7103363256522
oct17633041156
95424065075
102121024110
11999298897
124b23b0612
1327a56c46a
1416199dd82
15c631b8c5
hex7e6c426e

2121024110 has 32 divisors (see below), whose sum is σ = 3839330880. Its totient is φ = 843651072.

The previous prime is 2121024053. The next prime is 2121024173. The reversal of 2121024110 is 114201212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742222 + ... + 1743438.

It is an arithmetic number, because the mean of its divisors is an integer number (119979090).

Almost surely, 22121024110 is an apocalyptic number.

2121024110 is a deficient number, since it is larger than the sum of its proper divisors (1718306770).

2121024110 is a wasteful number, since it uses less digits than its factorization.

2121024110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2121024110 is about 46054.5775140756. The cubic root of 2121024110 is about 1284.8384804075.

Adding to 2121024110 its reverse (114201212), we get a palindrome (2235225322).

The spelling of 2121024110 in words is "two billion, one hundred twenty-one million, twenty-four thousand, one hundred ten".

Divisors: 1 2 5 10 397 439 794 878 1217 1985 2195 2434 3970 4390 6085 12170 174283 348566 483149 534263 871415 966298 1068526 1742830 2415745 2671315 4831490 5342630 212102411 424204822 1060512055 2121024110