Search a number
-
+
49503438204 = 2231121971127199
BaseRepresentation
bin101110000110101000…
…101000010101111100
311201202222110012220020
4232012220220111330
51302340340010304
634424102252140
73401512165503
oct560650502574
9151688405806
1049503438204
1119aa3444900
129716727050
13488bc1c88c
1425787d183a
15144aeaa5d9
hexb86a2857c

49503438204 has 288 divisors, whose sum is σ = 137281536000. Its totient is φ = 13831171200.

The previous prime is 49503438197. The next prime is 49503438209. The reversal of 49503438204 is 40283430594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49503438209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 248760897 + ... + 248761095.

It is an arithmetic number, because the mean of its divisors is an integer number (476672000).

Almost surely, 249503438204 is an apocalyptic number.

49503438204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49503438204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68640768000).

49503438204 is an abundant number, since it is smaller than the sum of its proper divisors (87778097796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49503438204 is a wasteful number, since it uses less digits than its factorization.

49503438204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 49503438204 its reverse (40283430594), we get a palindrome (89786868798).

The spelling of 49503438204 in words is "forty-nine billion, five hundred three million, four hundred thirty-eight thousand, two hundred four".