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531434512050 = 2352131723697009
BaseRepresentation
bin1111011101110111111…
…01110001111010110010
31212210201120210101012120
413232323331301322302
532201334213341200
61044045421535110
753252304551151
oct7567375617262
91783646711176
10531434512050
1119541aa22682
1286bb4414496
133b163786270
141ba15da5598
15dc5566c9a0
hex7bbbf71eb2

531434512050 has 192 divisors, whose sum is σ = 1568172130560. Its totient is φ = 117766471680.

The previous prime is 531434512043. The next prime is 531434512061. The reversal of 531434512050 is 50215434135.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 413946 + ... + 1110954.

It is an arithmetic number, because the mean of its divisors is an integer number (8167563180).

Almost surely, 2531434512050 is an apocalyptic number.

531434512050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 531434512050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784086065280).

531434512050 is an abundant number, since it is smaller than the sum of its proper divisors (1036737618510).

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

531434512050 is a wasteful number, since it uses less digits than its factorization.

531434512050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697077 (or 697072 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 531434512050 its reverse (50215434135), we get a palindrome (581649946185).

The spelling of 531434512050 in words is "five hundred thirty-one billion, four hundred thirty-four million, five hundred twelve thousand, fifty".