Base | Representation |
---|---|
bin | 10010111100111011… |
… | …110101000011100001 |
3 | 1221112012111022202201 |
4 | 102330323311003201 |
5 | 313134003411401 |
6 | 13203140013201 |
7 | 1320166223542 |
oct | 227473650341 |
9 | 57465438681 |
10 | 20349669601 |
11 | 86a2948a68 |
12 | 3b3b091201 |
13 | 1bc3c76621 |
14 | db09084c9 |
15 | 7e17dbb01 |
hex | 4bcef50e1 |
20349669601 has 8 divisors (see below), whose sum is σ = 20687912000. Its totient is φ = 20011577040.
The previous prime is 20349669569. The next prime is 20349669611. The reversal of 20349669601 is 10696694302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20349669601 - 25 = 20349669569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20349669611) 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 7 ways as a sum of consecutive naturals, for example, 255250 + ... + 325348.
It is an arithmetic number, because the mean of its divisors is an integer number (2585989000).
Almost surely, 220349669601 is an apocalyptic number.
It is an amenable number.
20349669601 is a deficient number, since it is larger than the sum of its proper divisors (338242399).
20349669601 is an equidigital number, since it uses as much as digits as its factorization.
20349669601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74919.
The product of its (nonzero) digits is 419904, while the sum is 46.
The spelling of 20349669601 in words is "twenty billion, three hundred forty-nine million, six hundred sixty-nine thousand, six hundred one".
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