Base | Representation |
---|---|
bin | 10001110000100100… |
… | …010010000101111111 |
3 | 1211012220121112121221 |
4 | 101300210102011333 |
5 | 303023004204141 |
6 | 12432050334211 |
7 | 1243350653335 |
oct | 216044220577 |
9 | 54186545557 |
10 | 19068428671 |
11 | 80a56a3766 |
12 | 3841b8a367 |
13 | 1a4b6a8cb6 |
14 | ccc6abb55 |
15 | 7690a4bd1 |
hex | 47091217f |
19068428671 has 8 divisors (see below), whose sum is σ = 20371614080. Its totient is φ = 17795201688.
The previous prime is 19068428627. The next prime is 19068428677. The reversal of 19068428671 is 17682486091.
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 19068428671 - 213 = 19068420479 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19068428677) 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, 7488291 + ... + 7490836.
It is an arithmetic number, because the mean of its divisors is an integer number (2546451760).
Almost surely, 219068428671 is an apocalyptic number.
19068428671 is a deficient number, since it is larger than the sum of its proper divisors (1303185409).
19068428671 is a wasteful number, since it uses less digits than its factorization.
19068428671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14979213.
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 19068428671 in words is "nineteen billion, sixty-eight million, four hundred twenty-eight thousand, six hundred seventy-one".
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