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2114421145 = 5422884229
BaseRepresentation
bin111111000000111…
…1000000110011001
312110100122201112021
41332001320012121
513312242434040
6545451214441
7103253166064
oct17601700631
95410581467
102114421145
119955989a1
124b0147421
13279099b95
14160b618db
15c596524a
hex7e078199

2114421145 has 4 divisors (see below), whose sum is σ = 2537305380. Its totient is φ = 1691536912.

The previous prime is 2114421143. The next prime is 2114421161. The reversal of 2114421145 is 5411244112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254051721 + 1860369424 = 15939^2 + 43132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114421145 - 21 = 2114421143 is a prime.

It is a super-2 number, since 2×21144211452 = 8941553556846222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2114421143) 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, 211442110 + ... + 211442119.

It is an arithmetic number, because the mean of its divisors is an integer number (634326345).

Almost surely, 22114421145 is an apocalyptic number.

It is an amenable number.

2114421145 is a deficient number, since it is larger than the sum of its proper divisors (422884235).

2114421145 is an equidigital number, since it uses as much as digits as its factorization.

2114421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422884234.

The product of its digits is 1280, while the sum is 25.

The square root of 2114421145 is about 45982.8353301534. The cubic root of 2114421145 is about 1283.5038165972.

Adding to 2114421145 its reverse (5411244112), we get a palindrome (7525665257).

The spelling of 2114421145 in words is "two billion, one hundred fourteen million, four hundred twenty-one thousand, one hundred forty-five".

Divisors: 1 5 422884229 2114421145