Base | Representation |
---|---|
bin | 10001110000001110111… |
… | …010110100101100110101 |
3 | 11022122002100202222001121 |
4 | 101300032322310230311 |
5 | 124442100334411201 |
6 | 2332245300223541 |
7 | 154100154336136 |
oct | 21601672645465 |
9 | 4278070688047 |
10 | 1220021013301 |
11 | 430454068782 |
12 | 17854669abb1 |
13 | 8b08043c03c |
14 | 4309951dc8d |
15 | 21b077079a1 |
hex | 11c0eeb4b35 |
1220021013301 has 8 divisors (see below), whose sum is σ = 1284242954400. Its totient is φ = 1155800103120.
The previous prime is 1220021013287. The next prime is 1220021013311. The reversal of 1220021013301 is 1033101200221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220021013301 - 27 = 1220021013173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220021013311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851535 + ... + 4156243.
It is an arithmetic number, because the mean of its divisors is an integer number (160530369300).
Almost surely, 21220021013301 is an apocalyptic number.
It is an amenable number.
1220021013301 is a deficient number, since it is larger than the sum of its proper divisors (64221941099).
1220021013301 is a wasteful number, since it uses less digits than its factorization.
1220021013301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 515459.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1220021013301 its reverse (1033101200221), we get a palindrome (2253122213522).
The spelling of 1220021013301 in words is "one trillion, two hundred twenty billion, twenty-one million, thirteen thousand, three hundred one".
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