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520534300000 = 2555111389409
BaseRepresentation
bin1111001001100100100…
…00110001010101100000
31211202120221010020022011
413210302100301111200
532012023240100000
61035044040322304
752415216355241
oct7446220612540
91752527106264
10520534300000
11190837050a70
1284a71a73394
133a117429a50
141b2a046ccc8
15d8187402ba
hex7932431560

520534300000 has 576 divisors, whose sum is σ = 1525486737600. Its totient is φ = 172339200000.

The previous prime is 520534299983. The next prime is 520534300007. The reversal of 520534300000 is 3435025.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520534300007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1272699796 + ... + 1272700204.

It is an arithmetic number, because the mean of its divisors is an integer number (2648414475).

Almost surely, 2520534300000 is an apocalyptic number.

520534300000 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 520534300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762743368800).

520534300000 is an abundant number, since it is smaller than the sum of its proper divisors (1004952437600).

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

520534300000 is a wasteful number, since it uses less digits than its factorization.

520534300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 520534300000 its reverse (3435025), we get a palindrome (520537735025).

The spelling of 520534300000 in words is "five hundred twenty billion, five hundred thirty-four million, three hundred thousand".