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30221001011 = 432334396871
BaseRepresentation
bin11100001001010011…
…111110000100110011
32220000011010220202202
4130021103332010303
5443343034013021
621514444533415
72116622161445
oct341123760463
986004126682
1030221001011
11118a8a703a3
125a34b5126b
132b080c3326
141669936495
15bbd230a0b
hex7094fe133

30221001011 has 16 divisors (see below), whose sum is σ = 31131809280. Its totient is φ = 29320280640.

The previous prime is 30221000983. The next prime is 30221001089. The reversal of 30221001011 is 11010012203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30221001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221000983 and 30221001001.

It is not an unprimeable number, because it can be changed into a prime (30221001511) 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, 4394906 + ... + 4401776.

It is an arithmetic number, because the mean of its divisors is an integer number (1945738080).

Almost surely, 230221001011 is an apocalyptic number.

30221001011 is a deficient number, since it is larger than the sum of its proper divisors (910808269).

30221001011 is a wasteful number, since it uses less digits than its factorization.

30221001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30221001011 its reverse (11010012203), we get a palindrome (41231013214).

The spelling of 30221001011 in words is "thirty billion, two hundred twenty-one million, one thousand, eleven".

Divisors: 1 43 233 439 6871 10019 18877 102287 295453 1600943 3016369 4398341 68840549 129703867 702813977 30221001011