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520415042832 = 243417911291987
BaseRepresentation
bin1111001001010110010…
…01110101110100010000
31211202021121201100020000
413210223021311310100
532011302222332312
61035024140250000
752412240606556
oct7445311656420
91752247640200
10520415042832
111907857a7323
1284a39b40900
133a0c8802c89
141b28c6a7bd6
15d80d034adc
hex792b275d10

520415042832 has 200 divisors, whose sum is σ = 1516751359200. Its totient is φ = 172263034368.

The previous prime is 520415042821. The next prime is 520415042857. The reversal of 520415042832 is 238240514025.

520415042832 is a `hidden beast` number, since 52 + 0 + 4 + 150 + 428 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 261908943 + ... + 261910929.

It is an arithmetic number, because the mean of its divisors is an integer number (7583756796).

Almost surely, 2520415042832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520415042832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758375679600).

520415042832 is an abundant number, since it is smaller than the sum of its proper divisors (996336316368).

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

520415042832 is a wasteful number, since it uses less digits than its factorization.

520415042832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 520415042832 its reverse (238240514025), we get a palindrome (758655556857).

The spelling of 520415042832 in words is "five hundred twenty billion, four hundred fifteen million, forty-two thousand, eight hundred thirty-two".