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30141124220 = 2251507056211
BaseRepresentation
bin11100000100100011…
…010000111001111100
32212210120211202102002
4130010203100321330
5443212111433340
621502512521432
72114632220504
oct340443207174
985716752362
1030141124220
1111867973819
125a12250278
132ac46a705c
14165d0a2a04
15bb6203715
hex7048d0e7c

30141124220 has 12 divisors (see below), whose sum is σ = 63296360904. Its totient is φ = 12056449680.

The previous prime is 30141124207. The next prime is 30141124283. The reversal of 30141124220 is 2242114103.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1507056211 = 30141124220 / (3 + 0 + 1 + 4 + 1 + 1 + 2 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 30141124192 and 30141124201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753528086 + ... + 753528125.

It is an arithmetic number, because the mean of its divisors is an integer number (5274696742).

Almost surely, 230141124220 is an apocalyptic number.

It is an amenable number.

30141124220 is an abundant number, since it is smaller than the sum of its proper divisors (33155236684).

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

30141124220 is a wasteful number, since it uses less digits than its factorization.

30141124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507056220 (or 1507056218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30141124220 its reverse (2242114103), we get a palindrome (32383238323).

The spelling of 30141124220 in words is "thirty billion, one hundred forty-one million, one hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1507056211 3014112422 6028224844 7535281055 15070562110 30141124220