Base | Representation |
---|---|
bin | 111000011100011101… |
… | …1010000111010000010 |
3 | 102120212121210112010120 |
4 | 1300320323100322002 |
5 | 3441221310103010 |
6 | 131403543441110 |
7 | 11520541140132 |
oct | 1607073207202 |
9 | 376777715116 |
10 | 121214144130 |
11 | 47452251622 |
12 | 1b5aa456196 |
13 | b5798c1751 |
14 | 5c1c6b8ac2 |
15 | 3246886e70 |
hex | 1c38ed0e82 |
121214144130 has 16 divisors (see below), whose sum is σ = 290913945984. Its totient is φ = 32323771760.
The previous prime is 121214144101. The next prime is 121214144147. The reversal of 121214144130 is 31441412121.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 121214144130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020235706 + ... + 2020235765.
It is an arithmetic number, because the mean of its divisors is an integer number (18182121624).
Almost surely, 2121214144130 is an apocalyptic number.
121214144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121214144130 is an abundant number, since it is smaller than the sum of its proper divisors (169699801854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121214144130 is a wasteful number, since it uses less digits than its factorization.
121214144130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4040471481.
The product of its (nonzero) digits is 768, while the sum is 24.
Adding to 121214144130 its reverse (31441412121), we get a palindrome (152655556251).
The spelling of 121214144130 in words is "one hundred twenty-one billion, two hundred fourteen million, one hundred forty-four thousand, one hundred thirty".
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