Base | Representation |
---|---|
bin | 10010101110001111… |
… | …110100100010011010 |
3 | 1220220000211000112102 |
4 | 102232033310202122 |
5 | 312132413031442 |
6 | 13122454243402 |
7 | 1311114552332 |
oct | 225617644232 |
9 | 56800730472 |
10 | 20103252122 |
11 | 8586841958 |
12 | 3a90656562 |
13 | 1b84bb9775 |
14 | d89cc20c2 |
15 | 7c9d64232 |
hex | 4ae3f489a |
20103252122 has 8 divisors (see below), whose sum is σ = 30224521236. Its totient is φ = 10028411712.
The previous prime is 20103252121. The next prime is 20103252149. The reversal of 20103252122 is 22125230102.
It can be written as a sum of positive squares in 2 ways, for example, as 19903284241 + 199967881 = 141079^2 + 14141^2 .
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 = 20103252094 and 20103252103.
It is not an unprimeable number, because it can be changed into a prime (20103252121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11606093 + ... + 11607824.
Almost surely, 220103252122 is an apocalyptic number.
20103252122 is a deficient number, since it is larger than the sum of its proper divisors (10121269114).
20103252122 is a wasteful number, since it uses less digits than its factorization.
20103252122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23214352.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 20103252122 its reverse (22125230102), we get a palindrome (42228482224).
The spelling of 20103252122 in words is "twenty billion, one hundred three million, two hundred fifty-two thousand, one hundred twenty-two".
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