Base | Representation |
---|---|
bin | 10010101000101100… |
… | …011111010110010010 |
3 | 1220122112112121121202 |
4 | 102220230133112102 |
5 | 311440041313320 |
6 | 13105325551202 |
7 | 1305604036145 |
oct | 225054372622 |
9 | 56575477552 |
10 | 20010104210 |
11 | 8539200508 |
12 | 3a65415502 |
13 | 1b6b804a65 |
14 | d7b79605c |
15 | 7c1ab4b75 |
hex | 4a8b1f592 |
20010104210 has 8 divisors (see below), whose sum is σ = 36018187596. Its totient is φ = 8004041680.
The previous prime is 20010104209. The next prime is 20010104227. The reversal of 20010104210 is 1240101002.
It can be written as a sum of positive squares in 2 ways, for example, as 19987456129 + 22648081 = 141377^2 + 4759^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20010104191 and 20010104200.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1000505201 + ... + 1000505220.
Almost surely, 220010104210 is an apocalyptic number.
20010104210 is a deficient number, since it is larger than the sum of its proper divisors (16008083386).
20010104210 is a wasteful number, since it uses less digits than its factorization.
20010104210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2001010428.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20010104210 its reverse (1240101002), we get a palindrome (21250205212).
The spelling of 20010104210 in words is "twenty billion, ten million, one hundred four thousand, two hundred ten".
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