Base | Representation |
---|---|
bin | 101111100101110101… |
… | …0101101111111110101 |
3 | 100202210120121221221110 |
4 | 1133023222231333311 |
5 | 3133302003033414 |
6 | 114541154505233 |
7 | 10245433021521 |
oct | 1371352557765 |
9 | 322716557843 |
10 | 102201221109 |
11 | 3a385a1a0a9 |
12 | 17982b95219 |
13 | 983987ab40 |
14 | 4d37538d81 |
15 | 29d25e8459 |
hex | 17cbaadff5 |
102201221109 has 8 divisors (see below), whose sum is σ = 146750471392. Its totient is φ = 62893059120.
The previous prime is 102201221099. The next prime is 102201221159. The reversal of 102201221109 is 901122102201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102201221109 - 28 = 102201220853 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 (102201221159) 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, 1310272027 + ... + 1310272104.
It is an arithmetic number, because the mean of its divisors is an integer number (18343808924).
Almost surely, 2102201221109 is an apocalyptic number.
It is an amenable number.
102201221109 is a deficient number, since it is larger than the sum of its proper divisors (44549250283).
102201221109 is a wasteful number, since it uses less digits than its factorization.
102201221109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2620544147.
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 102201221109 in words is "one hundred two billion, two hundred one million, two hundred twenty-one thousand, one hundred nine".
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