Base | Representation |
---|---|
bin | 10001101110010000… |
… | …100101111001110001 |
3 | 1211010012202120000120 |
4 | 101232100211321301 |
5 | 302433101244442 |
6 | 12424144440453 |
7 | 1242400613235 |
oct | 215620457161 |
9 | 54105676016 |
10 | 19029712497 |
11 | 808585a724 |
12 | 3831019129 |
13 | 1a43671913 |
14 | cc74b05c5 |
15 | 7659a84ec |
hex | 46e425e71 |
19029712497 has 8 divisors (see below), whose sum is σ = 25514699040. Its totient is φ = 12615600480.
The previous prime is 19029712477. The next prime is 19029712517. The reversal of 19029712497 is 79421792091.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (19029712477) and next prime (19029712517).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19029712497 - 28 = 19029712241 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (19029712477) 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 7 ways as a sum of consecutive naturals, for example, 17718004 + ... + 17719077.
It is an arithmetic number, because the mean of its divisors is an integer number (3189337380).
Almost surely, 219029712497 is an apocalyptic number.
It is an amenable number.
19029712497 is a deficient number, since it is larger than the sum of its proper divisors (6484986543).
19029712497 is a wasteful number, since it uses less digits than its factorization.
19029712497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35437263.
The product of its (nonzero) digits is 571536, while the sum is 51.
The spelling of 19029712497 in words is "nineteen billion, twenty-nine million, seven hundred twelve thousand, four hundred ninety-seven".
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