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111312312130302 = 23151209257587131
BaseRepresentation
bin11001010011110011101010…
…110100101101101011111110
3112121010100112102100020222020
4121103303222310231223332
5104042220103401132202
61032424100435101010
732306022601545663
oct3123635264555376
9477110472306866
10111312312130302
1132516317323088
12105990a4141766
134a159240b75aa
141d6b78a757a6a
15cd074e4b15bc
hex653cead2dafe

111312312130302 has 32 divisors (see below), whose sum is σ = 224100412134144. Its totient is φ = 36858142584000.

The previous prime is 111312312130301. The next prime is 111312312130321. The reversal of 111312312130302 is 203031213213111.

It is a super-2 number, since 2×1113123121303022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312312130301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189293277 + ... + 189880407.

It is an arithmetic number, because the mean of its divisors is an integer number (7003137879192).

Almost surely, 2111312312130302 is an apocalyptic number.

111312312130302 is an abundant number, since it is smaller than the sum of its proper divisors (112788100003842).

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

111312312130302 is a wasteful number, since it uses less digits than its factorization.

111312312130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796544.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111312312130302 its reverse (203031213213111), we get a palindrome (314343525343413).

The spelling of 111312312130302 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twelve million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 151 302 453 906 209257 418514 587131 627771 1174262 1255542 1761393 3522786 31597807 63195614 88656781 94793421 177313562 189586842 265970343 531940686 122861271667 245722543334 368583815001 737167630002 18552052021717 37104104043434 55656156065151 111312312130302