Base | Representation |
---|---|
bin | 111000100010011001… |
… | …0101101111101010111 |
3 | 102121101111102011011222 |
4 | 1301010302231331113 |
5 | 3442123241333143 |
6 | 131435414520555 |
7 | 11525506300502 |
oct | 1610462557527 |
9 | 377344364158 |
10 | 121413230423 |
11 | 47544670051 |
12 | 1b64506615b |
13 | b5abc18ba4 |
14 | 5c3ad00139 |
15 | 32590b0768 |
hex | 1c44cadf57 |
121413230423 has 8 divisors (see below), whose sum is σ = 124443282096. Its totient is φ = 118386452800.
The previous prime is 121413230377. The next prime is 121413230441. The reversal of 121413230423 is 324032314121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121413230423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121413230392 and 121413230401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121413230023) 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, 743336 + ... + 891837.
It is an arithmetic number, because the mean of its divisors is an integer number (15555410262).
Almost surely, 2121413230423 is an apocalyptic number.
121413230423 is a deficient number, since it is larger than the sum of its proper divisors (3030051673).
121413230423 is a wasteful number, since it uses less digits than its factorization.
121413230423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1637025.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 121413230423 its reverse (324032314121), we get a palindrome (445445544544).
The spelling of 121413230423 in words is "one hundred twenty-one billion, four hundred thirteen million, two hundred thirty thousand, four hundred twenty-three".
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