Base | Representation |
---|---|
bin | 10011001100101110… |
… | …111001101100011011 |
3 | 1222012200020002022221 |
4 | 103030232321230123 |
5 | 314204331404222 |
6 | 13245324524511 |
7 | 1326565124242 |
oct | 231456715433 |
9 | 58180202287 |
10 | 20614716187 |
11 | 881951942a |
12 | 3bb39b0737 |
13 | 1c36b56920 |
14 | dd7bbd959 |
15 | 809be40c7 |
hex | 4ccbb9b1b |
20614716187 has 8 divisors (see below), whose sum is σ = 22564406480. Its totient is φ = 18717017760.
The previous prime is 20614716049. The next prime is 20614716209. The reversal of 20614716187 is 78161741602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20614716187 - 211 = 20614714139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20614716587) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12997137 + ... + 12998722.
It is an arithmetic number, because the mean of its divisors is an integer number (2820550810).
Almost surely, 220614716187 is an apocalyptic number.
20614716187 is a deficient number, since it is larger than the sum of its proper divisors (1949690293).
20614716187 is a wasteful number, since it uses less digits than its factorization.
20614716187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25995933.
The product of its (nonzero) digits is 112896, while the sum is 43.
The spelling of 20614716187 in words is "twenty billion, six hundred fourteen million, seven hundred sixteen thousand, one hundred eighty-seven".
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