Base | Representation |
---|---|
bin | 10010001000011111… |
… | …000010110010110111 |
3 | 1212020212200200000202 |
4 | 102020133002302313 |
5 | 304333221132341 |
6 | 12535543231115 |
7 | 1256322535313 |
oct | 221037026267 |
9 | 55225620022 |
10 | 19469708471 |
11 | 8291163164 |
12 | 393444849b |
13 | 1ab3877c75 |
14 | d29ac6b43 |
15 | 78e41c79b |
hex | 4887c2cb7 |
19469708471 has 4 divisors (see below), whose sum is σ = 19472119944. Its totient is φ = 19467297000.
The previous prime is 19469708437. The next prime is 19469708497. The reversal of 19469708471 is 17480796491.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 19469708471 - 214 = 19469692087 is a prime.
It is a super-3 number, since 3×194697084713 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19469708411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193585 + ... + 1209786.
It is an arithmetic number, because the mean of its divisors is an integer number (4868029986).
Almost surely, 219469708471 is an apocalyptic number.
19469708471 is a deficient number, since it is larger than the sum of its proper divisors (2411473).
19469708471 is an equidigital number, since it uses as much as digits as its factorization.
19469708471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2411472.
The product of its (nonzero) digits is 3048192, while the sum is 56.
The spelling of 19469708471 in words is "nineteen billion, four hundred sixty-nine million, seven hundred eight thousand, four hundred seventy-one".
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