Base | Representation |
---|---|
bin | 10001110000010000111… |
… | …001111001011101101101 |
3 | 11022122011200110101020222 |
4 | 101300100321321131231 |
5 | 124442132401400401 |
6 | 2332252450221125 |
7 | 154101040440113 |
oct | 21602071713555 |
9 | 4278150411228 |
10 | 1220054325101 |
11 | 430470950397 |
12 | 1785558847a5 |
13 | 8b087303571 |
14 | 4309db11ab3 |
15 | 21b0a5d7c1b |
hex | 11c10e7976d |
1220054325101 has 2 divisors, whose sum is σ = 1220054325102. Its totient is φ = 1220054325100.
The previous prime is 1220054325079. The next prime is 1220054325121. The reversal of 1220054325101 is 1015234500221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1155085413001 + 64968912100 = 1074749^2 + 254890^2 .
It is an emirp because it is prime and its reverse (1015234500221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1220054325101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1220054325121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610027162550 + 610027162551.
It is an arithmetic number, because the mean of its divisors is an integer number (610027162551).
Almost surely, 21220054325101 is an apocalyptic number.
It is an amenable number.
1220054325101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220054325101 is an equidigital number, since it uses as much as digits as its factorization.
1220054325101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 1220054325101 its reverse (1015234500221), we get a palindrome (2235288825322).
The spelling of 1220054325101 in words is "one trillion, two hundred twenty billion, fifty-four million, three hundred twenty-five thousand, one hundred one".
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