Base | Representation |
---|---|
bin | 10010110100001000… |
… | …111001110101110010 |
3 | 1221010220211010020211 |
4 | 102310020321311302 |
5 | 312333214232010 |
6 | 13140345054334 |
7 | 1313425014640 |
oct | 226410716562 |
9 | 57126733224 |
10 | 20202102130 |
11 | 8627618381 |
12 | 3ab97873aa |
13 | 1b9c5199b2 |
14 | d99094190 |
15 | 7d388d08a |
hex | 4b4239d72 |
20202102130 has 32 divisors (see below), whose sum is σ = 41573637504. Its totient is φ = 6923930496.
The previous prime is 20202102121. The next prime is 20202102131. The reversal of 20202102130 is 3120120202.
It is a self number, because there is not a number n which added to its sum of digits gives 20202102130.
It is not an unprimeable number, because it can be changed into a prime (20202102131) 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 15 ways as a sum of consecutive naturals, for example, 148254 + ... + 249766.
It is an arithmetic number, because the mean of its divisors is an integer number (1299176172).
Almost surely, 220202102130 is an apocalyptic number.
20202102130 is an abundant number, since it is smaller than the sum of its proper divisors (21371535374).
20202102130 is a wasteful number, since it uses less digits than its factorization.
20202102130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104370.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20202102130 its reverse (3120120202), we get a palindrome (23322222332).
The spelling of 20202102130 in words is "twenty billion, two hundred two million, one hundred two thousand, one hundred thirty".
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