Base | Representation |
---|---|
bin | 101111100010111010… |
… | …0001001100101110101 |
3 | 100202112201212100020122 |
4 | 1133011310021211311 |
5 | 3133101333431013 |
6 | 114523330141325 |
7 | 10243131302456 |
oct | 1370564114565 |
9 | 322481770218 |
10 | 102103030133 |
11 | 3a335553835 |
12 | 17956121845 |
13 | 982241b880 |
14 | 4d2849912d |
15 | 29c8b9ea08 |
hex | 17c5d09975 |
102103030133 has 4 divisors (see below), whose sum is σ = 109957109388. Its totient is φ = 94248950880.
The previous prime is 102103030103. The next prime is 102103030181. The reversal of 102103030133 is 331030301201.
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 67671258769 + 34431771364 = 260137^2 + 185558^2 .
It is a cyclic number.
It is not a de Polignac number, because 102103030133 - 26 = 102103030069 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 (102103030103) 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, 3927039608 + ... + 3927039633.
It is an arithmetic number, because the mean of its divisors is an integer number (27489277347).
Almost surely, 2102103030133 is an apocalyptic number.
102103030133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
102103030133 is a deficient number, since it is larger than the sum of its proper divisors (7854079255).
102103030133 is an equidigital number, since it uses as much as digits as its factorization.
102103030133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7854079254.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 102103030133 its reverse (331030301201), we get a palindrome (433133331334).
The spelling of 102103030133 in words is "one hundred two billion, one hundred three million, thirty thousand, one hundred thirty-three".
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