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30503836320 = 25353110911879
BaseRepresentation
bin11100011010001010…
…111001101010100000
32220201212100102212120
4130122022321222200
5444432440230240
622002511024240
72126625221256
oct343212715240
986655312776
1030503836320
1111a33690791
125ab380b080
132b518913b9
14169531c5d6
15bd7e9dad0
hex71a2b9aa0

30503836320 has 192 divisors, whose sum is σ = 99330416640. Its totient is φ = 7860556800.

The previous prime is 30503836303. The next prime is 30503836339. The reversal of 30503836320 is 2363830503.

It is a super-2 number, since 2×305038363202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16233141 + ... + 16235019.

It is an arithmetic number, because the mean of its divisors is an integer number (517345920).

Almost surely, 230503836320 is an apocalyptic number.

30503836320 is a gapful number since it is divisible by the number (30) 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 30503836320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49665208320).

30503836320 is an abundant number, since it is smaller than the sum of its proper divisors (68826580320).

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

30503836320 is a wasteful number, since it uses less digits than its factorization.

30503836320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 30503836320 in words is "thirty billion, five hundred three million, eight hundred thirty-six thousand, three hundred twenty".