Base | Representation |
---|---|
bin | 111000011100010101… |
… | …1011111101001111001 |
3 | 102120212100000111111021 |
4 | 1300320223133221321 |
5 | 3441214230311413 |
6 | 131403315102441 |
7 | 11520461042014 |
oct | 1607053375171 |
9 | 376770014437 |
10 | 121210010233 |
11 | 4744a988784 |
12 | 1b5a8ba1a21 |
13 | b578aa4c60 |
14 | 5c1bd2037b |
15 | 324631c18d |
hex | 1c38adfa79 |
121210010233 has 32 divisors (see below), whose sum is σ = 135677283840. Its totient is φ = 107563023360.
The previous prime is 121210010219. The next prime is 121210010239. The reversal of 121210010233 is 332010012121.
It is not a de Polignac number, because 121210010233 - 29 = 121210009721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121210010239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23703685 + ... + 23708797.
It is an arithmetic number, because the mean of its divisors is an integer number (4239915120).
Almost surely, 2121210010233 is an apocalyptic number.
121210010233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
121210010233 is a deficient number, since it is larger than the sum of its proper divisors (14467273607).
121210010233 is a wasteful number, since it uses less digits than its factorization.
121210010233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5809.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 121210010233 its reverse (332010012121), we get a palindrome (453220022354).
The spelling of 121210010233 in words is "one hundred twenty-one billion, two hundred ten million, ten thousand, two hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •