Base | Representation |
---|---|
bin | 100110110011100… |
… | …1000100010011101 |
3 | 10100202010202012021 |
4 | 1031213020202131 |
5 | 10131314313341 |
6 | 333112340141 |
7 | 44160463135 |
oct | 11547104235 |
9 | 3322122167 |
10 | 1302104221 |
11 | 6090051a0 |
12 | 3040a4651 |
13 | 1799c3992 |
14 | c4d0bac5 |
15 | 794a89d1 |
hex | 4d9c889d |
1302104221 has 16 divisors (see below), whose sum is σ = 1496942208. Its totient is φ = 1121032000.
The previous prime is 1302104213. The next prime is 1302104233. The reversal of 1302104221 is 1224012031.
It is not a de Polignac number, because 1302104221 - 23 = 1302104213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1302104195 and 1302104204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1302104201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75 + ... + 51031.
It is an arithmetic number, because the mean of its divisors is an integer number (93558888).
Almost surely, 21302104221 is an apocalyptic number.
1302104221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1302104221 is a deficient number, since it is larger than the sum of its proper divisors (194837987).
1302104221 is a wasteful number, since it uses less digits than its factorization.
1302104221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51092.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1302104221 is about 36084.6812511902. The cubic root of 1302104221 is about 1091.9814199476.
Adding to 1302104221 its reverse (1224012031), we get a palindrome (2526116252).
It can be divided in two parts, 130210 and 4221, that added together give a palindrome (134431).
The spelling of 1302104221 in words is "one billion, three hundred two million, one hundred four thousand, two hundred twenty-one".
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