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30525335212 = 2219973821399
BaseRepresentation
bin11100011011011100…
…111010011010101100
32220210100210200210211
4130123130322122230
51000003441211322
622004555512204
72130306032251
oct343334723254
986710720724
1030525335212
1111a44835169
125abaa58664
132b5617ab38
141698117428
15bd9ce8b77
hex71b73a6ac

30525335212 has 12 divisors (see below), whose sum is σ = 53446100400. Its totient is φ = 15255020816.

The previous prime is 30525335207. The next prime is 30525335263. The reversal of 30525335212 is 21253352503.

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, 1902712 + ... + 1918687.

It is an arithmetic number, because the mean of its divisors is an integer number (4453841700).

Almost surely, 230525335212 is an apocalyptic number.

It is an amenable number.

30525335212 is a deficient number, since it is larger than the sum of its proper divisors (22920765188).

30525335212 is a wasteful number, since it uses less digits than its factorization.

30525335212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823400 (or 3823398 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 30525335212 its reverse (21253352503), we get a palindrome (51778687715).

The spelling of 30525335212 in words is "thirty billion, five hundred twenty-five million, three hundred thirty-five thousand, two hundred twelve".

Divisors: 1 2 4 1997 3994 7988 3821399 7642798 15285596 7631333803 15262667606 30525335212