Search a number
-
+
531034403021200 = 245213472419015803
BaseRepresentation
bin111100010111110010001010…
…0111101001010000110010000
32120122020101121121001101101001
41320233210110331022012100
51024100431424133134300
65121225500435351344
7216565653356222401
oct17057442475120620
92518211547041331
10531034403021200
11144227475515841
124b686037152554
1319a40438713a40
14951c2b8d5b9a8
15415d65439b16a
hex1e2f914f4a190

531034403021200 has 240 divisors, whose sum is σ = 1409004851417856. Its totient is φ = 191106151833600.

The previous prime is 531034403021197. The next prime is 531034403021257. The reversal of 531034403021200 is 2120304430135.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54392499 + ... + 63408301.

Almost surely, 2531034403021200 is an apocalyptic number.

531034403021200 is a gapful number since it is divisible by the number (50) 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 531034403021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704502425708928).

531034403021200 is an abundant number, since it is smaller than the sum of its proper divisors (877970448396656).

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

531034403021200 is a wasteful number, since it uses less digits than its factorization.

531034403021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016122 (or 9016111 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 531034403021200 its reverse (2120304430135), we get a palindrome (533154707451335).

The spelling of 531034403021200 in words is "five hundred thirty-one trillion, thirty-four billion, four hundred three million, twenty-one thousand, two hundred".