Base | Representation |
---|---|
bin | 10010111100111101… |
… | …000101101110010001 |
3 | 1221112020010010000100 |
4 | 102330331011232101 |
5 | 313134100000032 |
6 | 13203151043013 |
7 | 1320202101054 |
oct | 227475055621 |
9 | 57466103010 |
10 | 20350000017 |
11 | 86a3054236 |
12 | 3b3b210469 |
13 | 1bc4060b39 |
14 | db0992a9b |
15 | 7e185497c |
hex | 4bcf45b91 |
20350000017 has 12 divisors (see below), whose sum is σ = 29396137680. Its totient is φ = 13565885208.
The previous prime is 20349999997. The next prime is 20350000019. The reversal of 20350000017 is 71000005302.
It is not a de Polignac number, because 20350000017 - 26 = 20349999953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20350000019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130834 + ... + 240452.
It is an arithmetic number, because the mean of its divisors is an integer number (2449678140).
Almost surely, 220350000017 is an apocalyptic number.
It is an amenable number.
20350000017 is a deficient number, since it is larger than the sum of its proper divisors (9046137663).
20350000017 is a wasteful number, since it uses less digits than its factorization.
20350000017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130252 (or 130249 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
Adding to 20350000017 its reverse (71000005302), we get a palindrome (91350005319).
The spelling of 20350000017 in words is "twenty billion, three hundred fifty million, seventeen", and thus it is an aban number.
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