Base | Representation |
---|---|
bin | 111000011111000001… |
… | …1001100111101111111 |
3 | 102121002121120002211021 |
4 | 1300332003030331333 |
5 | 3441410312024411 |
6 | 131420254205011 |
7 | 11522633635105 |
oct | 1607603147577 |
9 | 377077502737 |
10 | 121300111231 |
11 | 47496828a12 |
12 | 1b6131b3767 |
13 | b591660b60 |
14 | 5c29c95c75 |
15 | 324e1b8a71 |
hex | 1c3e0ccf7f |
121300111231 has 8 divisors (see below), whose sum is σ = 130718758464. Its totient is φ = 111894016800.
The previous prime is 121300111199. The next prime is 121300111279. The reversal of 121300111231 is 132111003121.
It is a happy number.
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 121300111231 - 25 = 121300111199 is a prime.
It is a super-2 number, since 2×1213001112312 (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 (121300111291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118120 + ... + 3156781.
It is an arithmetic number, because the mean of its divisors is an integer number (16339844808).
Almost surely, 2121300111231 is an apocalyptic number.
121300111231 is a deficient number, since it is larger than the sum of its proper divisors (9418647233).
121300111231 is a wasteful number, since it uses less digits than its factorization.
121300111231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6276401.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 121300111231 its reverse (132111003121), we get a palindrome (253411114352).
The spelling of 121300111231 in words is "one hundred twenty-one billion, three hundred million, one hundred eleven thousand, two hundred thirty-one".
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