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530400113550 = 234521940117189
BaseRepresentation
bin1111011011111100100…
…11110111001110001110
31212201001111101111020000
413231332103313032032
532142224412113200
61043355031105130
753214544402116
oct7557623671616
91781044344200
10530400113550
11194a3a04478a
1286965b121a6
133b02a394048
141b958862046
15dbe4944300
hex7b7e4f738e

530400113550 has 240 divisors, whose sum is σ = 1555250122800. Its totient is φ = 133653888000.

The previous prime is 530400113389. The next prime is 530400113557. The reversal of 530400113550 is 55311004035.

530400113550 is a `hidden beast` number, since 5 + 304 + 0 + 0 + 1 + 1 + 355 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530400113557) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 30848356 + ... + 30865544.

It is an arithmetic number, because the mean of its divisors is an integer number (6480208845).

Almost surely, 2530400113550 is an apocalyptic number.

530400113550 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 530400113550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777625061400).

530400113550 is an abundant number, since it is smaller than the sum of its proper divisors (1024850009250).

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

530400113550 is a wasteful number, since it uses less digits than its factorization.

530400113550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 530400113550 its reverse (55311004035), we get a palindrome (585711117585).

The spelling of 530400113550 in words is "five hundred thirty billion, four hundred million, one hundred thirteen thousand, five hundred fifty".