Base | Representation |
---|---|
bin | 10111001111010000001001… |
… | …011111011001011100000100 |
3 | 111101212112022210200202220221 |
4 | 113033100021133121130010 |
5 | 101343444123424014340 |
6 | 1001211300302234124 |
7 | 30345636411514354 |
oct | 2717201137313404 |
9 | 441775283622827 |
10 | 102203201001220 |
11 | 2a624152595810 |
12 | b5677b9285944 |
13 | 4504949c28937 |
14 | 1b3493894cb64 |
15 | bc3816c6b44a |
hex | 5cf4097d9704 |
102203201001220 has 24 divisors (see below), whose sum is σ = 234138242294208. Its totient is φ = 37164800364000.
The previous prime is 102203201001217. The next prime is 102203201001221. The reversal of 102203201001220 is 22100102302201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102203201001194 and 102203201001203.
It is not an unprimeable number, because it can be changed into a prime (102203201001221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232280002056 + ... + 232280002495.
It is an arithmetic number, because the mean of its divisors is an integer number (9755760095592).
Almost surely, 2102203201001220 is an apocalyptic number.
102203201001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102203201001220 is an abundant number, since it is smaller than the sum of its proper divisors (131935041292988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102203201001220 is a wasteful number, since it uses less digits than its factorization.
102203201001220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 464560004571 (or 464560004569 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 102203201001220 its reverse (22100102302201), we get a palindrome (124303303303421).
The spelling of 102203201001220 in words is "one hundred two trillion, two hundred three billion, two hundred one million, one thousand, two hundred twenty".
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