Search a number
-
+
244421440443 = 32157491724423
BaseRepresentation
bin1110001110100010100…
…1110011001110111011
3212100220011001200001100
43203220221303032323
513001033342043233
6304141411422443
723441663651505
oct3435051631673
9770804050040
10244421440443
1194727592954
123b4542b4a23
131a08340068b
14bb89988d75
1565581cc813
hex38e8a733bb

244421440443 has 12 divisors (see below), whose sum is σ = 353075814000. Its totient is φ = 162937185936.

The previous prime is 244421440411. The next prime is 244421440463. The reversal of 244421440443 is 344044124442.

It is a happy number.

244421440443 is a `hidden beast` number, since 244 + 4 + 2 + 1 + 4 + 404 + 4 + 3 = 666.

It is not a de Polignac number, because 244421440443 - 25 = 244421440411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244421440398 and 244421440407.

It is not an unprimeable number, because it can be changed into a prime (244421440463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720471 + ... + 1003952.

It is an arithmetic number, because the mean of its divisors is an integer number (29422984500).

Almost surely, 2244421440443 is an apocalyptic number.

244421440443 is a deficient number, since it is larger than the sum of its proper divisors (108654373557).

244421440443 is a wasteful number, since it uses less digits than its factorization.

244421440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740178 (or 1740175 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 244421440443 its reverse (344044124442), we get a palindrome (588465564885).

The spelling of 244421440443 in words is "two hundred forty-four billion, four hundred twenty-one million, four hundred forty thousand, four hundred forty-three".

Divisors: 1 3 9 15749 47247 141741 1724423 5173269 15519807 27157937827 81473813481 244421440443