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30002230221 = 373323895711
BaseRepresentation
bin11011111100010001…
…011011001111001101
32212102220111012122220
4123330101123033031
5442421032331341
621441031525553
72111324514645
oct337421331715
985386435586
1030002230221
11117a6527697
1259938298b9
132aa1996262
141648869525
15ba8e19a66
hex6fc45b3cd

30002230221 has 16 divisors (see below), whose sum is σ = 40081332480. Its totient is φ = 19962342720.

The previous prime is 30002230217. The next prime is 30002230229. The reversal of 30002230221 is 12203220003.

It is not a de Polignac number, because 30002230221 - 22 = 30002230217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30002230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002230229) 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, 5250556 + ... + 5256266.

It is an arithmetic number, because the mean of its divisors is an integer number (2505083280).

Almost surely, 230002230221 is an apocalyptic number.

It is an amenable number.

30002230221 is a deficient number, since it is larger than the sum of its proper divisors (10079102259).

30002230221 is a wasteful number, since it uses less digits than its factorization.

30002230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30002230221 its reverse (12203220003), we get a palindrome (42205450224).

The spelling of 30002230221 in words is "thirty billion, two million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 733 2199 2389 5711 7167 17133 1751137 4186163 5253411 12558489 13643579 40930737 10000743407 30002230221