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30020133211 = 4119719071949
BaseRepresentation
bin11011111101010101…
…101110000101011011
32212111011011202221121
4123331111232011123
5442440123230321
621442511350111
72111632631155
oct337525560533
985434152847
1030020133211
1111805645452
125999822337
132aa55c4043
14164ada9ad5
15baa7a4441
hex6fd56e15b

30020133211 has 16 divisors (see below), whose sum is σ = 30940509600. Its totient is φ = 29109041920.

The previous prime is 30020133197. The next prime is 30020133223. The reversal of 30020133211 is 11233102003.

It is a cyclic number.

It is not a de Polignac number, because 30020133211 - 217 = 30020002139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020133511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15401865 + ... + 15403813.

It is an arithmetic number, because the mean of its divisors is an integer number (1933781850).

Almost surely, 230020133211 is an apocalyptic number.

30020133211 is a deficient number, since it is larger than the sum of its proper divisors (920376389).

30020133211 is a wasteful number, since it uses less digits than its factorization.

30020133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30020133211 its reverse (11233102003), we get a palindrome (41253235214).

The spelling of 30020133211 in words is "thirty billion, twenty million, one hundred thirty-three thousand, two hundred eleven".

Divisors: 1 41 197 1907 1949 8077 78187 79909 375679 383953 3716743 15402839 15742073 152386463 732198371 30020133211