Base | Representation |
---|---|
bin | 11000111111111011… |
… | …11001100110111010 |
3 | 1021122100101201212112 |
4 | 30133331321212322 |
5 | 204441313103310 |
6 | 10055435212322 |
7 | 653406336035 |
oct | 143775714672 |
9 | 37570351775 |
10 | 13421222330 |
11 | 5767a25a8a |
12 | 27268a70a2 |
13 | 135b733b99 |
14 | 91469601c |
15 | 538408705 |
hex | 31ff799ba |
13421222330 has 32 divisors (see below), whose sum is σ = 25462803600. Its totient is φ = 5085563392.
The previous prime is 13421222323. The next prime is 13421222333. The reversal of 13421222330 is 3322212431.
It can be written as a sum of positive squares in 8 ways, for example, as 7908011329 + 5513211001 = 88927^2 + 74251^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13421222296 and 13421222305.
It is not an unprimeable number, because it can be changed into a prime (13421222333) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 421235 + ... + 451974.
Almost surely, 213421222330 is an apocalyptic number.
13421222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13421222330 is a deficient number, since it is larger than the sum of its proper divisors (12041581270).
13421222330 is a wasteful number, since it uses less digits than its factorization.
13421222330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 873298.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 13421222330 its reverse (3322212431), we get a palindrome (16743434761).
The spelling of 13421222330 in words is "thirteen billion, four hundred twenty-one million, two hundred twenty-two thousand, three hundred thirty".
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