Base | Representation |
---|---|
bin | 10010111010100100… |
… | …111001000001010111 |
3 | 1221102110001002100211 |
4 | 102322210321001113 |
5 | 313043341231403 |
6 | 13155203550251 |
7 | 1316206006444 |
oct | 227244710127 |
9 | 57373032324 |
10 | 20310102103 |
11 | 8682583355 |
12 | 3b2998b387 |
13 | 1bb8a018c5 |
14 | da95689cb |
15 | 7dd0c306d |
hex | 4ba939057 |
20310102103 has 8 divisors (see below), whose sum is σ = 20376396720. Its totient is φ = 20243915520.
The previous prime is 20310102101. The next prime is 20310102107. The reversal of 20310102103 is 30120101302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20310102103 - 21 = 20310102101 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 (20310102101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358503 + ... + 411271.
It is an arithmetic number, because the mean of its divisors is an integer number (2547049590).
Almost surely, 220310102103 is an apocalyptic number.
20310102103 is a deficient number, since it is larger than the sum of its proper divisors (66294617).
20310102103 is an equidigital number, since it uses as much as digits as its factorization.
20310102103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54017.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20310102103 its reverse (30120101302), we get a palindrome (50430203405).
The spelling of 20310102103 in words is "twenty billion, three hundred ten million, one hundred two thousand, one hundred three".
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