Base | Representation |
---|---|
bin | 10010101111011000… |
… | …111110101100000010 |
3 | 1220221100220100220222 |
4 | 102233120332230002 |
5 | 312202320231320 |
6 | 13124421303042 |
7 | 1311436556201 |
oct | 225730765402 |
9 | 56840810828 |
10 | 20122430210 |
11 | 8596650713 |
12 | 3a96b64a82 |
13 | 1b88b72a4c |
14 | d8c675238 |
15 | 7cb8a1825 |
hex | 4af63eb02 |
20122430210 has 64 divisors (see below), whose sum is σ = 38477389824. Its totient is φ = 7560907200.
The previous prime is 20122430203. The next prime is 20122430213. The reversal of 20122430210 is 1203422102.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20122430213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4423157 + ... + 4427703.
It is an arithmetic number, because the mean of its divisors is an integer number (601209216).
Almost surely, 220122430210 is an apocalyptic number.
20122430210 is a deficient number, since it is larger than the sum of its proper divisors (18354959614).
20122430210 is a wasteful number, since it uses less digits than its factorization.
20122430210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4919.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20122430210 its reverse (1203422102), we get a palindrome (21325852312).
The spelling of 20122430210 in words is "twenty billion, one hundred twenty-two million, four hundred thirty thousand, two hundred ten".
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