Base | Representation |
---|---|
bin | 110111111110110111… |
… | …1111111001111001110 |
3 | 102111022102122110111212 |
4 | 1233331233333033032 |
5 | 3432203130114210 |
6 | 131121240214422 |
7 | 11454124315313 |
oct | 1577557771716 |
9 | 374272573455 |
10 | 120221332430 |
11 | 46a92898491 |
12 | 1b371a6a412 |
13 | b44c0003c4 |
14 | 5b668bcd0a |
15 | 31d9625805 |
hex | 1bfdbff3ce |
120221332430 has 32 divisors (see below), whose sum is σ = 221217868800. Its totient is φ = 47019532960.
The previous prime is 120221332403. The next prime is 120221332489. The reversal of 120221332430 is 34233122021.
It is a junction number, because it is equal to n+sod(n) for n = 120221332396 and 120221332405.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360521 + ... + 608619.
It is an arithmetic number, because the mean of its divisors is an integer number (6913058400).
Almost surely, 2120221332430 is an apocalyptic number.
120221332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120221332430 is a deficient number, since it is larger than the sum of its proper divisors (100996536370).
120221332430 is a wasteful number, since it uses less digits than its factorization.
120221332430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249184.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 120221332430 its reverse (34233122021), we get a palindrome (154454454451).
The spelling of 120221332430 in words is "one hundred twenty billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred thirty".
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