Base | Representation |
---|---|
bin | 11011100100001001010010… |
… | …011100111101101001001101 |
3 | 120220020120201220111020012222 |
4 | 123210021102130331221031 |
5 | 111342222323314034013 |
6 | 1105500451250105125 |
7 | 34351442264331332 |
oct | 3344112234755115 |
9 | 526216656436188 |
10 | 121231130221133 |
11 | 3569a919580189 |
12 | 1171b4a427b1a5 |
13 | 528507b2abc6a |
14 | 21d1891b6a989 |
15 | e037772c0508 |
hex | 6e425273da4d |
121231130221133 has 8 divisors (see below), whose sum is σ = 121255695335808. Its totient is φ = 121206565951344.
The previous prime is 121231130221079. The next prime is 121231130221169. The reversal of 121231130221133 is 331122031132121.
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 121231130221133 - 28 = 121231130220877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121231130221933) 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, 342261560 + ... + 342615582.
It is an arithmetic number, because the mean of its divisors is an integer number (15156961916976).
Almost surely, 2121231130221133 is an apocalyptic number.
It is an amenable number.
121231130221133 is a deficient number, since it is larger than the sum of its proper divisors (24565114675).
121231130221133 is an equidigital number, since it uses as much as digits as its factorization.
121231130221133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422443.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 121231130221133 its reverse (331122031132121), we get a palindrome (452353161353254).
The spelling of 121231130221133 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred thirty million, two hundred twenty-one thousand, one hundred thirty-three".
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