Search a number
-
+
344212200025 = 5213768488001
BaseRepresentation
bin1010000001001001010…
…01010101101001011001
31012220110201222111101221
411000210221111221121
521114421310400100
6422043502012041
733603620265601
oct5004451255131
91186421874357
10344212200025
11122a858a4591
1256863b77021
13265c776bc05
1412934cddc01
158e48d8501a
hex5024a55a59

344212200025 has 6 divisors (see below), whose sum is σ = 426823128062. Its totient is φ = 275369760000.

The previous prime is 344212199999. The next prime is 344212200029. The reversal of 344212200025 is 520002212443.

It can be written as a sum of positive squares in 3 ways, for example, as 111120222409 + 233091977616 = 333347^2 + 482796^2 .

It is not a de Polignac number, because 344212200025 - 25 = 344212199993 is a prime.

It is a super-2 number, since 2×3442122000252 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 13768488001 = 344212200025 / (3 + 4 + 4 + 2 + 1 + 2 + 2 + 0 + 0 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344212200029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6884243976 + ... + 6884244025.

Almost surely, 2344212200025 is an apocalyptic number.

It is an amenable number.

344212200025 is a deficient number, since it is larger than the sum of its proper divisors (82610928037).

344212200025 is a wasteful number, since it uses less digits than its factorization.

344212200025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768488011 (or 13768488006 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 344212200025 its reverse (520002212443), we get a palindrome (864214412468).

The spelling of 344212200025 in words is "three hundred forty-four billion, two hundred twelve million, two hundred thousand, twenty-five".

Divisors: 1 5 25 13768488001 68842440005 344212200025