Base | Representation |
---|---|
bin | 10001110000001110010… |
… | …001101001110111010101 |
3 | 11022122001121110122211020 |
4 | 101300032101221313111 |
5 | 124442040104033023 |
6 | 2332244233031353 |
7 | 154066663526553 |
oct | 21601621516725 |
9 | 4278047418736 |
10 | 1220010221013 |
11 | 430448a67331 |
12 | 178542b55559 |
13 | 8b07b13097c |
14 | 43097d10bd3 |
15 | 21b067c4de3 |
hex | 11c0e469dd5 |
1220010221013 has 8 divisors (see below), whose sum is σ = 1648963586688. Its totient is φ = 802198501344.
The previous prime is 1220010220991. The next prime is 1220010221041. The reversal of 1220010221013 is 3101220100221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1220010221013 - 216 = 1220010155477 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1220010220983 and 1220010221001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220010221063) 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, 2785411245 + ... + 2785411682.
It is an arithmetic number, because the mean of its divisors is an integer number (206120448336).
Almost surely, 21220010221013 is an apocalyptic number.
It is an amenable number.
1220010221013 is a deficient number, since it is larger than the sum of its proper divisors (428953365675).
1220010221013 is an equidigital number, since it uses as much as digits as its factorization.
1220010221013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5570823003.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 1220010221013 its reverse (3101220100221), we get a palindrome (4321230321234).
The spelling of 1220010221013 in words is "one trillion, two hundred twenty billion, ten million, two hundred twenty-one thousand, thirteen".
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