Base | Representation |
---|---|
bin | 11011100010011010011101… |
… | …101010101101100100010101 |
3 | 120212211012120210021200220122 |
4 | 123202122131222231210111 |
5 | 111333300122024012323 |
6 | 1105330051255241325 |
7 | 34340030363035361 |
oct | 3342323552554425 |
9 | 525735523250818 |
10 | 121112133032213 |
11 | 35654404789954 |
12 | 11700414379245 |
13 | 5276a95aa743b |
14 | 21c9c03aa42a1 |
15 | e006103a3ec8 |
hex | 6e269daad915 |
121112133032213 has 4 divisors (see below), whose sum is σ = 122244022126080. Its totient is φ = 119980243938348.
The previous prime is 121112133032119. The next prime is 121112133032243. The reversal of 121112133032213 is 312230331211121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 121112133032213 - 28 = 121112133031957 is a prime.
It is a super-2 number, since 2×1211121330322132 (a number of 29 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 (121112133032243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565944546773 + ... + 565944546986.
It is an arithmetic number, because the mean of its divisors is an integer number (30561005531520).
Almost surely, 2121112133032213 is an apocalyptic number.
It is an amenable number.
121112133032213 is a deficient number, since it is larger than the sum of its proper divisors (1131889093867).
121112133032213 is a wasteful number, since it uses less digits than its factorization.
121112133032213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1131889093866.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 121112133032213 its reverse (312230331211121), we get a palindrome (433342464243334).
The spelling of 121112133032213 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-three million, thirty-two thousand, two hundred thirteen".
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