Base | Representation |
---|---|
bin | 101111100101110011… |
… | …0011100110101001101 |
3 | 100202210111112010010011 |
4 | 1133023212130311031 |
5 | 3133301211232341 |
6 | 114541114513221 |
7 | 10245420351460 |
oct | 1371346346515 |
9 | 322714463104 |
10 | 102200102221 |
11 | 3a3853254a8 |
12 | 17982735811 |
13 | 9839578789 |
14 | 4d373272d7 |
15 | 29d2476b81 |
hex | 17cb99cd4d |
102200102221 has 12 divisors (see below), whose sum is σ = 120689410656. Its totient is φ = 84774272760.
The previous prime is 102200102177. The next prime is 102200102233. The reversal of 102200102221 is 122201002201.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-102200102221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102200112221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7589535 + ... + 7602988.
It is an arithmetic number, because the mean of its divisors is an integer number (10057450888).
Almost surely, 2102200102221 is an apocalyptic number.
It is an amenable number.
102200102221 is a deficient number, since it is larger than the sum of its proper divisors (18489308435).
102200102221 is an equidigital number, since it uses as much as digits as its factorization.
102200102221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15192592 (or 15192561 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 102200102221 its reverse (122201002201), we get a palindrome (224401104422).
The spelling of 102200102221 in words is "one hundred two billion, two hundred million, one hundred two thousand, two hundred twenty-one".
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