Search a number
-
+
22003132005 = 34554328721
BaseRepresentation
bin10100011111011111…
…010010011001100101
32002210102202220210000
4110133133102121211
5330030300211010
614035203251513
71406154351621
oct243737223145
962712686700
1022003132005
119371215818
124320979b99
1320c86aa74a
1410ca358181
1588ba4b7c0
hex51f7d2665

22003132005 has 20 divisors (see below), whose sum is σ = 39442652172. Its totient is φ = 11735003520.

The previous prime is 22003131971. The next prime is 22003132007. The reversal of 22003132005 is 50023130022.

It can be written as a sum of positive squares in 2 ways, for example, as 16661130084 + 5342001921 = 129078^2 + 73089^2 .

It is not a de Polignac number, because 22003132005 - 211 = 22003129957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003132007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27163956 + ... + 27164765.

Almost surely, 222003132005 is an apocalyptic number.

It is an amenable number.

22003132005 is a deficient number, since it is larger than the sum of its proper divisors (17439520167).

22003132005 is an equidigital number, since it uses as much as digits as its factorization.

22003132005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54328738 (or 54328729 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 22003132005 its reverse (50023130022), we get a palindrome (72026262027).

The spelling of 22003132005 in words is "twenty-two billion, three million, one hundred thirty-two thousand, five".

Divisors: 1 3 5 9 15 27 45 81 135 405 54328721 162986163 271643605 488958489 814930815 1466875467 2444792445 4400626401 7334377335 22003132005