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30500247732 = 2232541687311
BaseRepresentation
bin11100011001111101…
…001101100010110100
32220201121121010020220
4130121331031202310
5444431030411412
622002302054340
72126552554023
oct343175154264
986647533226
1030500247732
1111a3165a609
125ab257a3b0
132b50c05b86
141694a668ba
15bd79e068c
hex719f4d8b4

30500247732 has 12 divisors (see below), whose sum is σ = 71167244736. Its totient is φ = 10166749240.

The previous prime is 30500247697. The next prime is 30500247763. The reversal of 30500247732 is 23774200503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×305002477322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30500247693 and 30500247702.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1270843644 + ... + 1270843667.

It is an arithmetic number, because the mean of its divisors is an integer number (5930603728).

Almost surely, 230500247732 is an apocalyptic number.

It is an amenable number.

30500247732 is an abundant number, since it is smaller than the sum of its proper divisors (40666997004).

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

30500247732 is a wasteful number, since it uses less digits than its factorization.

30500247732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541687318 (or 2541687316 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The spelling of 30500247732 in words is "thirty billion, five hundred million, two hundred forty-seven thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 2541687311 5083374622 7625061933 10166749244 15250123866 30500247732