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30011220213212 = 2272346601273623
BaseRepresentation
bin1101101001011100010000…
…00111101011110111011100
310221021001012112111122110102
412310232020013223313130
512413200434333310322
6143454544135200232
76215145004544120
oct664561007536734
9127231175448412
1030011220213212
119620761468337
123448460b16078
131399079b7a374
1475a79d5c1580
153709d9d66792
hex1b4b881ebddc

30011220213212 has 24 divisors (see below), whose sum is σ = 62632111750656. Its totient is φ = 12302736236208.

The previous prime is 30011220213197. The next prime is 30011220213223. The reversal of 30011220213212 is 21231202211003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23300636168 + ... + 23300637455.

It is an arithmetic number, because the mean of its divisors is an integer number (2609671322944).

Almost surely, 230011220213212 is an apocalyptic number.

It is an amenable number.

30011220213212 is an abundant number, since it is smaller than the sum of its proper divisors (32620891537444).

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

30011220213212 is a wasteful number, since it uses less digits than its factorization.

30011220213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46601273657 (or 46601273655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30011220213212 its reverse (21231202211003), we get a palindrome (51242422424215).

The spelling of 30011220213212 in words is "thirty trillion, eleven billion, two hundred twenty million, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 46601273623 93202547246 186405094492 326208915361 652417830722 1071829293329 1304835661444 2143658586658 4287317173316 7502805053303 15005610106606 30011220213212