Base | Representation |
---|---|
bin | 10010110110110000… |
… | …100001010110010101 |
3 | 1221020222111111102121 |
4 | 102312300201112111 |
5 | 312430441321010 |
6 | 13144554535541 |
7 | 1314500342350 |
oct | 226660412625 |
9 | 57228444377 |
10 | 20246042005 |
11 | 864a3aa022 |
12 | 3b104375b1 |
13 | 1ba8662917 |
14 | da0c51297 |
15 | 7d766c3da |
hex | 4b6c21595 |
20246042005 has 8 divisors (see below), whose sum is σ = 27766000512. Its totient is φ = 13883000208.
The previous prime is 20246041979. The next prime is 20246042017. The reversal of 20246042005 is 50024064202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20246042005 - 25 = 20246041973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289229137 + ... + 289229206.
It is an arithmetic number, because the mean of its divisors is an integer number (3470750064).
Almost surely, 220246042005 is an apocalyptic number.
It is an amenable number.
20246042005 is a deficient number, since it is larger than the sum of its proper divisors (7519958507).
20246042005 is an equidigital number, since it uses as much as digits as its factorization.
20246042005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578458355.
The product of its (nonzero) digits is 3840, while the sum is 25.
The spelling of 20246042005 in words is "twenty billion, two hundred forty-six million, forty-two thousand, five".
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