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30504563712 = 21035783211
BaseRepresentation
bin11100011010001101…
…101011010000000000
32220201220201101200000
4130122031223100000
5444433132014322
622002534400000
72126634341040
oct343215532000
986656641600
1030504563712
1111a34038237
125ab3b00000
132b51a874cc
14169546b720
15bd80943ac
hex71a36b400

30504563712 has 528 divisors, whose sum is σ = 106151066112. Its totient is φ = 8569774080.

The previous prime is 30504563657. The next prime is 30504563731. The reversal of 30504563712 is 21736540503.

30504563712 is a `hidden beast` number, since 3 + 0 + 5 + 0 + 4 + 5 + 637 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144571287 + ... + 144571497.

Almost surely, 230504563712 is an apocalyptic number.

30504563712 is a gapful number since it is divisible by the number (32) 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 30504563712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53075533056).

30504563712 is an abundant number, since it is smaller than the sum of its proper divisors (75646502400).

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

30504563712 is an equidigital number, since it uses as much as digits as its factorization.

30504563712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 30504563712 in words is "thirty billion, five hundred four million, five hundred sixty-three thousand, seven hundred twelve".