Base | Representation |
---|---|
bin | 10010111010001010… |
… | …100100010000110010 |
3 | 1221101222001111021122 |
4 | 102322022210100302 |
5 | 313040104420310 |
6 | 13154400022242 |
7 | 1316063235536 |
oct | 227212442062 |
9 | 57358044248 |
10 | 20303201330 |
11 | 867969a735 |
12 | 3b27601982 |
13 | 1bb74568c9 |
14 | da868dbc6 |
15 | 7dc6ad555 |
hex | 4ba2a4432 |
20303201330 has 8 divisors (see below), whose sum is σ = 36545762412. Its totient is φ = 8121280528.
The previous prime is 20303201249. The next prime is 20303201341. The reversal of 20303201330 is 3310230302.
It can be written as a sum of positive squares in 2 ways, for example, as 20256974929 + 46226401 = 142327^2 + 6799^2 .
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 = 20303201299 and 20303201308.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015160057 + ... + 1015160076.
Almost surely, 220303201330 is an apocalyptic number.
20303201330 is a deficient number, since it is larger than the sum of its proper divisors (16242561082).
20303201330 is a wasteful number, since it uses less digits than its factorization.
20303201330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2030320140.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 20303201330 its reverse (3310230302), we get a palindrome (23613431632).
The spelling of 20303201330 in words is "twenty billion, three hundred three million, two hundred one thousand, three hundred thirty".
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