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12011203231313 = 111383994428191
BaseRepresentation
bin1010111011001001001110…
…0000000111111001010001
31120112021000101221012222112
42232302103200013321101
53033242421011400223
641313512014115105
72346531545631326
oct256622340077121
946467011835875
1012011203231313
113910a17102360
12141ba277aba95
13691861763240
142d74b9872b4d
1515c68b756778
hexaec93807e51

12011203231313 has 8 divisors (see below), whose sum is σ = 14111063936256. Its totient is φ = 10079331382800.

The previous prime is 12011203231241. The next prime is 12011203231369. The reversal of 12011203231313 is 31313230211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011203231313 - 234 = 11994023362129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011203231393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41997213953 + ... + 41997214238.

It is an arithmetic number, because the mean of its divisors is an integer number (1763882992032).

Almost surely, 212011203231313 is an apocalyptic number.

12011203231313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12011203231313 is a deficient number, since it is larger than the sum of its proper divisors (2099860704943).

12011203231313 is a wasteful number, since it uses less digits than its factorization.

12011203231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83994428215.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12011203231313 its reverse (31313230211021), we get a palindrome (43324433442334).

The spelling of 12011203231313 in words is "twelve trillion, eleven billion, two hundred three million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 11 13 143 83994428191 923938710101 1091927566483 12011203231313