Base | Representation |
---|---|
bin | 10001110000100001011… |
… | …001010101110010000101 |
3 | 11022122212222002002000001 |
4 | 101300201121111302011 |
5 | 124443214214044023 |
6 | 2332340132321301 |
7 | 154110640243213 |
oct | 21604131256205 |
9 | 4278788062001 |
10 | 1220331003013 |
11 | 4305a3045621 |
12 | 178612473231 |
13 | 8b0cc726ac5 |
14 | 430c8773cb3 |
15 | 21b24a3b6ad |
hex | 11c21655c85 |
1220331003013 has 8 divisors (see below), whose sum is σ = 1284874416000. Its totient is φ = 1155819136608.
The previous prime is 1220331003007. The next prime is 1220331003049. The reversal of 1220331003013 is 3103001330221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1220331003013 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220331003083) by changing a digit.
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, 7807213 + ... + 7961986.
It is an arithmetic number, because the mean of its divisors is an integer number (160609302000).
Almost surely, 21220331003013 is an apocalyptic number.
It is an amenable number.
1220331003013 is a deficient number, since it is larger than the sum of its proper divisors (64543412987).
1220331003013 is a wasteful number, since it uses less digits than its factorization.
1220331003013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15773291.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 1220331003013 its reverse (3103001330221), we get a palindrome (4323332333234).
The spelling of 1220331003013 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, three thousand, thirteen".
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