Base | Representation |
---|---|
bin | 111000010111000000… |
… | …0101010011110111001 |
3 | 102120101212012100122122 |
4 | 1300232000222132321 |
5 | 3440332414311413 |
6 | 131333442331025 |
7 | 11513155420100 |
oct | 1605600523671 |
9 | 376355170578 |
10 | 121031010233 |
11 | 473689393a1 |
12 | 1b559059a75 |
13 | b54a9912b3 |
14 | 5c02247037 |
15 | 3235760108 |
hex | 1c2e02a7b9 |
121031010233 has 12 divisors (see below), whose sum is σ = 140846946192. Its totient is φ = 103699771560.
The previous prime is 121031010229. The next prime is 121031010239. The reversal of 121031010233 is 332010130121.
It is not a de Polignac number, because 121031010233 - 22 = 121031010229 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121031010239) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363935 + ... + 611972.
It is an arithmetic number, because the mean of its divisors is an integer number (11737245516).
Almost surely, 2121031010233 is an apocalyptic number.
It is an amenable number.
121031010233 is a deficient number, since it is larger than the sum of its proper divisors (19815935959).
121031010233 is an equidigital number, since it uses as much as digits as its factorization.
121031010233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 978452 (or 978445 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 121031010233 its reverse (332010130121), we get a palindrome (453041140354).
The spelling of 121031010233 in words is "one hundred twenty-one billion, thirty-one million, ten thousand, two hundred thirty-three".
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