Base | Representation |
---|---|
bin | 10001110001011101001… |
… | …000001001110000111110 |
3 | 11022202110210202102012120 |
4 | 101301131020021300332 |
5 | 130002242240132202 |
6 | 2333023411343410 |
7 | 154144526214135 |
oct | 21613510116076 |
9 | 4282423672176 |
10 | 1221333130302 |
11 | 430a6779169a |
12 | 178851bb1b66 |
13 | 8b22c22a32c |
14 | 431818b691c |
15 | 21b829dd0bc |
hex | 11c5d209c3e |
1221333130302 has 8 divisors (see below), whose sum is σ = 2442666260616. Its totient is φ = 407111043432.
The previous prime is 1221333130289. The next prime is 1221333130307. The reversal of 1221333130302 is 2030313331221.
It is a sphenic number, since it is the product of 3 distinct primes.
1221333130302 is an admirable number.
It is a super-2 number, since 2×12213331303022 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1221333130307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101777760853 + ... + 101777760864.
It is an arithmetic number, because the mean of its divisors is an integer number (305333282577).
Almost surely, 21221333130302 is an apocalyptic number.
1221333130302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1221333130302 is a wasteful number, since it uses less digits than its factorization.
1221333130302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203555521722.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 1221333130302 its reverse (2030313331221), we get a palindrome (3251646461523).
The spelling of 1221333130302 in words is "one trillion, two hundred twenty-one billion, three hundred thirty-three million, one hundred thirty thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.022 sec. • engine limits •