Base | Representation |
---|---|
bin | 10010101110001100… |
… | …010001011110110111 |
3 | 1220212222001202210021 |
4 | 102232030101132313 |
5 | 312132143301403 |
6 | 13122422310011 |
7 | 1311103630033 |
oct | 225614213667 |
9 | 56788052707 |
10 | 20102322103 |
11 | 8586267146 |
12 | 3a90288307 |
13 | 1b84952366 |
14 | d89b1d1c3 |
15 | 7c9c2d8bd |
hex | 4ae3117b7 |
20102322103 has 4 divisors (see below), whose sum is σ = 20123776960. Its totient is φ = 20080867248.
The previous prime is 20102322091. The next prime is 20102322143. The reversal of 20102322103 is 30122320102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20102322103 - 233 = 11512387511 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 (20102322143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10726023 + ... + 10727896.
It is an arithmetic number, because the mean of its divisors is an integer number (5030944240).
Almost surely, 220102322103 is an apocalyptic number.
20102322103 is a deficient number, since it is larger than the sum of its proper divisors (21454857).
20102322103 is an equidigital number, since it uses as much as digits as its factorization.
20102322103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21454856.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20102322103 its reverse (30122320102), we get a palindrome (50224642205).
The spelling of 20102322103 in words is "twenty billion, one hundred two million, three hundred twenty-two thousand, one hundred three".
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