Base | Representation |
---|---|
bin | 10010110100001000… |
… | …111011110010010111 |
3 | 1221010220211112012010 |
4 | 102310020323302113 |
5 | 312333220010403 |
6 | 13140345155303 |
7 | 1313425050120 |
oct | 226410736227 |
9 | 57126745163 |
10 | 20202110103 |
11 | 862762336a |
12 | 3ab978bb33 |
13 | 1b9c520506 |
14 | d99097047 |
15 | 7d3890603 |
hex | 4b423bc97 |
20202110103 has 16 divisors (see below), whose sum is σ = 30911910656. Its totient is φ = 11496159360.
The previous prime is 20202110087. The next prime is 20202110143. The reversal of 20202110103 is 30101120202.
It is not a de Polignac number, because 20202110103 - 24 = 20202110087 is a prime.
It is a super-2 number, since 2×202021101032 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202110143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990801 + ... + 2000922.
It is an arithmetic number, because the mean of its divisors is an integer number (1931994416).
Almost surely, 220202110103 is an apocalyptic number.
20202110103 is a deficient number, since it is larger than the sum of its proper divisors (10709800553).
20202110103 is a wasteful number, since it uses less digits than its factorization.
20202110103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3991974.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20202110103 its reverse (30101120202), we get a palindrome (50303230305).
It can be divided in two parts, 20202 and 110103, that added together give a triangular number (130305 = T510).
The spelling of 20202110103 in words is "twenty billion, two hundred two million, one hundred ten thousand, one hundred three".
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