Search a number
-
+
22451142005 = 517212609081
BaseRepresentation
bin10100111010001100…
…010011110101110101
32010221122210011221222
4110322030103311311
5331434443021010
614151445520125
71423234362335
oct247214236565
963848704858
1022451142005
1195810a2316
124426a13045
13216a45b716
14112da590c5
158b6045355
hex53a313d75

22451142005 has 8 divisors (see below), whose sum is σ = 26957035224. Its totient is φ = 17950470400.

The previous prime is 22451141941. The next prime is 22451142037. The reversal of 22451142005 is 50024115422.

It can be written as a sum of positive squares in 4 ways, for example, as 3352178404 + 19098963601 = 57898^2 + 138199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22451142005 - 26 = 22451141941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1295936 + ... + 1313145.

It is an arithmetic number, because the mean of its divisors is an integer number (3369629403).

Almost surely, 222451142005 is an apocalyptic number.

It is an amenable number.

22451142005 is a deficient number, since it is larger than the sum of its proper divisors (4505893219).

22451142005 is a wasteful number, since it uses less digits than its factorization.

22451142005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610807.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 22451142005 its reverse (50024115422), we get a palindrome (72475257427).

The spelling of 22451142005 in words is "twenty-two billion, four hundred fifty-one million, one hundred forty-two thousand, five".

Divisors: 1 5 1721 8605 2609081 13045405 4490228401 22451142005