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30111202013312 = 27733606252247
BaseRepresentation
bin1101101100010110011110…
…11111111111000010000000
310221121121021102220100010202
412312023033133333002000
512421320220203411222
6144012521212144332
76225314441041520
oct666131737770200
9127547242810122
1030111202013312
11965a0a85a25a2
1234639047680a8
1313a5621986b24
14761566065680
153733dc6a8892
hex1b62cf7ff080

30111202013312 has 32 divisors (see below), whose sum is σ = 68556754585920. Its totient is φ = 12904800862464.

The previous prime is 30111202013239. The next prime is 30111202013317. The reversal of 30111202013312 is 21331020211103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (30111202013317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16803125228 + ... + 16803127019.

It is an arithmetic number, because the mean of its divisors is an integer number (2142398580810).

Almost surely, 230111202013312 is an apocalyptic number.

30111202013312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30111202013312 is an abundant number, since it is smaller than the sum of its proper divisors (38445552572608).

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

30111202013312 is an equidigital number, since it uses as much as digits as its factorization.

30111202013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33606252268 (or 33606252256 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30111202013312 its reverse (21331020211103), we get a palindrome (51442222224415).

The spelling of 30111202013312 in words is "thirty trillion, one hundred eleven billion, two hundred two million, thirteen thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 33606252247 67212504494 134425008988 235243765729 268850017976 470487531458 537700035952 940975062916 1075400071904 1881950125832 2150800143808 3763900251664 4301600287616 7527800503328 15055601006656 30111202013312