Search a number
-
+
2141221103 = 7305888729
BaseRepresentation
bin111111110100000…
…0111000011101111
312112020002022011022
41333220013003233
513341123033403
6552245444355
7104030036060
oct17750070357
95466068138
102141221103
119a973311a
124b91106bb
132817c1448
1416453a567
15c7eaad38
hex7fa070ef

2141221103 has 4 divisors (see below), whose sum is σ = 2447109840. Its totient is φ = 1835332368.

The previous prime is 2141221079. The next prime is 2141221123. The reversal of 2141221103 is 3011221412.

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

It is a cyclic number.

It is not a de Polignac number, because 2141221103 - 214 = 2141204719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141221123) 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 3 ways as a sum of consecutive naturals, for example, 152944358 + ... + 152944371.

It is an arithmetic number, because the mean of its divisors is an integer number (611777460).

Almost surely, 22141221103 is an apocalyptic number.

2141221103 is a deficient number, since it is larger than the sum of its proper divisors (305888737).

2141221103 is an equidigital number, since it uses as much as digits as its factorization.

2141221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305888736.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2141221103 is about 46273.3303642606. The cubic root of 2141221103 is about 1288.9038026435.

Adding to 2141221103 its reverse (3011221412), we get a palindrome (5152442515).

The spelling of 2141221103 in words is "two billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred three".

Divisors: 1 7 305888729 2141221103