Base | Representation |
---|---|
bin | 11011100100001000010101… |
… | …001110100010110110110110 |
3 | 120220020111002022122120120012 |
4 | 123210020111032202312312 |
5 | 111342213222333444342 |
6 | 1105500201313540222 |
7 | 34351404652344503 |
oct | 3344102516426666 |
9 | 526214068576505 |
10 | 121230103031222 |
11 | 3569a4417761a9 |
12 | 1171b258274672 |
13 | 5284c46541b93 |
14 | 21d17d55824aa |
15 | e0371701cb82 |
hex | 6e42153a2db6 |
121230103031222 has 64 divisors (see below), whose sum is σ = 185990799697920. Its totient is φ = 59251647751296.
The previous prime is 121230103031173. The next prime is 121230103031287. The reversal of 121230103031222 is 222130301032121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17526395708 + ... + 17526402624.
It is an arithmetic number, because the mean of its divisors is an integer number (2906106245280).
Almost surely, 2121230103031222 is an apocalyptic number.
121230103031222 is a deficient number, since it is larger than the sum of its proper divisors (64760696666698).
121230103031222 is a wasteful number, since it uses less digits than its factorization.
121230103031222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9725.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 121230103031222 its reverse (222130301032121), we get a palindrome (343360404063343).
The spelling of 121230103031222 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred three million, thirty-one thousand, two hundred twenty-two".
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