Base | Representation |
---|---|
bin | 111000011001000110… |
… | …0000111110111010111 |
3 | 102120120202010110022221 |
4 | 1300302030013313113 |
5 | 3441003341414111 |
6 | 131344425203211 |
7 | 11514666363430 |
oct | 1606214076727 |
9 | 376522113287 |
10 | 121101123031 |
11 | 473a4477159 |
12 | 1b578630507 |
13 | b55c36c265 |
14 | 5c0b698487 |
15 | 323b9ae371 |
hex | 1c32307dd7 |
121101123031 has 8 divisors (see below), whose sum is σ = 138494620544. Its totient is φ = 103730959800.
The previous prime is 121101123029. The next prime is 121101123047. The reversal of 121101123031 is 130321101121.
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 121101123031 - 21 = 121101123029 is a prime.
It is a super-2 number, since 2×1211011230312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121101122996 and 121101123014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121101127031) 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, 5822445 + ... + 5843206.
It is an arithmetic number, because the mean of its divisors is an integer number (17311827568).
Almost surely, 2121101123031 is an apocalyptic number.
121101123031 is a deficient number, since it is larger than the sum of its proper divisors (17393497513).
121101123031 is a wasteful number, since it uses less digits than its factorization.
121101123031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11667141.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 121101123031 its reverse (130321101121), we get a palindrome (251422224152).
The spelling of 121101123031 in words is "one hundred twenty-one billion, one hundred one million, one hundred twenty-three thousand, thirty-one".
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