Base | Representation |
---|---|
bin | 101111101101000001… |
… | …0111101000100000101 |
3 | 100210102101112221001011 |
4 | 1133122002331010011 |
5 | 3134300232032201 |
6 | 115021133202221 |
7 | 10254422334304 |
oct | 1373202750405 |
9 | 323371487034 |
10 | 102442455301 |
11 | 3a49a1059aa |
12 | 17a2b930371 |
13 | 9877841674 |
14 | 4d5b5b243b |
15 | 29e889a151 |
hex | 17da0bd105 |
102442455301 has 4 divisors (see below), whose sum is σ = 102479347692. Its totient is φ = 102405562912.
The previous prime is 102442455263. The next prime is 102442455307. The reversal of 102442455301 is 103554244201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 43685180100 + 58757275201 = 209010^2 + 242399^2 .
It is a cyclic number.
It is not a de Polignac number, because 102442455301 - 227 = 102308237573 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 (102442455307) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18442030 + ... + 18447583.
It is an arithmetic number, because the mean of its divisors is an integer number (25619836923).
Almost surely, 2102442455301 is an apocalyptic number.
It is an amenable number.
102442455301 is a deficient number, since it is larger than the sum of its proper divisors (36892391).
102442455301 is an equidigital number, since it uses as much as digits as its factorization.
102442455301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36892390.
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 102442455301 its reverse (103554244201), we get a palindrome (205996699502).
The spelling of 102442455301 in words is "one hundred two billion, four hundred forty-two million, four hundred fifty-five thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •