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2114224021 = 721310731019
BaseRepresentation
bin111111000000100…
…0111111110010101
312110100021201010101
41332001013332111
513312220132041
6545443054101
7103251415300
oct17601077625
95410251111
102114224021
11995473888
124b0071331
1327902b240
14160b0db37
15c5926b31
hex7e047f95

2114224021 has 24 divisors (see below), whose sum is σ = 2673427680. Its totient is φ = 1657105632.

The previous prime is 2114224019. The next prime is 2114224037. The reversal of 2114224021 is 1204224112.

It is not a de Polignac number, because 2114224021 - 21 = 2114224019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2114224021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114224001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52650 + ... + 83668.

It is an arithmetic number, because the mean of its divisors is an integer number (111392820).

Almost surely, 22114224021 is an apocalyptic number.

It is an amenable number.

2114224021 is a deficient number, since it is larger than the sum of its proper divisors (559203659).

2114224021 is a wasteful number, since it uses less digits than its factorization.

2114224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31153 (or 31146 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2114224021 is about 45980.6918282011. The cubic root of 2114224021 is about 1283.4639290422.

Adding to 2114224021 its reverse (1204224112), we get a palindrome (3318448133).

Subtracting from 2114224021 its reverse (1204224112), we obtain a palindrome (909999909).

The spelling of 2114224021 in words is "two billion, one hundred fourteen million, two hundred twenty-four thousand, twenty-one".

Divisors: 1 7 13 49 91 107 637 749 1391 5243 9737 31019 68159 217133 403247 1519931 2822729 3319033 19759103 23233231 43147429 162632617 302032003 2114224021