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531242025300 = 2232527172291779
BaseRepresentation
bin1111011101100000111…
…11100000000101010100
31212210020011121001000200
413232300133200011110
532200440424302200
61044014344140500
753244446465250
oct7566037400524
91783204531020
10531242025300
11195331301518
1286b5ba67730
133b13292c98c
141b9d85bb260
15dc437e9800
hex7bb07e0154

531242025300 has 324 divisors, whose sum is σ = 2021561549280. Its totient is φ = 114283607040.

The previous prime is 531242025299. The next prime is 531242025361. The reversal of 531242025300 is 3520242135.

It is a happy number.

531242025300 is a `hidden beast` number, since 5 + 3 + 124 + 2 + 0 + 2 + 530 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1674811 + ... + 1966589.

Almost surely, 2531242025300 is an apocalyptic number.

531242025300 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 531242025300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010780774640).

531242025300 is an abundant number, since it is smaller than the sum of its proper divisors (1490319523980).

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

531242025300 is a wasteful number, since it uses less digits than its factorization.

531242025300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291840 (or 291813 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 531242025300 its reverse (3520242135), we get a palindrome (534762267435).

The spelling of 531242025300 in words is "five hundred thirty-one billion, two hundred forty-two million, twenty-five thousand, three hundred".