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121413112223 = 1383112523737
BaseRepresentation
bin111000100010011001…
…0010001000110011111
3102121101111012011001012
41301010302101012133
53442123224042343
6131435412205435
711525505266054
oct1610462210637
9377344164035
10121413112223
114754459a267
121b64500987b
13b5abba7150
145c3acad02b
15325908a718
hex1c44c9119f

121413112223 has 8 divisors (see below), whose sum is σ = 132327915888. Its totient is φ = 110723356224.

The previous prime is 121413112213. The next prime is 121413112253. The reversal of 121413112223 is 322211314121.

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

It is not a de Polignac number, because 121413112223 - 26 = 121413112159 is a prime.

It is a super-2 number, since 2×1214131122232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56260790 + ... + 56262947.

It is an arithmetic number, because the mean of its divisors is an integer number (16540989486).

Almost surely, 2121413112223 is an apocalyptic number.

121413112223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121413112223 is a deficient number, since it is larger than the sum of its proper divisors (10914803665).

121413112223 is a wasteful number, since it uses less digits than its factorization.

121413112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112523833.

The product of its digits is 576, while the sum is 23.

Adding to 121413112223 its reverse (322211314121), we get a palindrome (443624426344).

The spelling of 121413112223 in words is "one hundred twenty-one billion, four hundred thirteen million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 13 83 1079 112523737 1462808581 9339470171 121413112223