Base | Representation |
---|---|
bin | 11111111011100100… |
… | …11001110011111001 |
3 | 1122020201002221201121 |
4 | 33331302121303321 |
5 | 240102021003312 |
6 | 11513020345241 |
7 | 1144545655210 |
oct | 177562316371 |
9 | 48221087647 |
10 | 17142750457 |
11 | 72a76aa168 |
12 | 33a50a5221 |
13 | 1802754631 |
14 | b88a3c077 |
15 | 6a4ec3707 |
hex | 3fdc99cf9 |
17142750457 has 4 divisors (see below), whose sum is σ = 19591714816. Its totient is φ = 14693786100.
The previous prime is 17142750403. The next prime is 17142750461. The reversal of 17142750457 is 75405724171.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 17142750457 - 27 = 17142750329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (17142750857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224482169 + ... + 1224482182.
It is an arithmetic number, because the mean of its divisors is an integer number (4897928704).
Almost surely, 217142750457 is an apocalyptic number.
It is an amenable number.
17142750457 is a deficient number, since it is larger than the sum of its proper divisors (2448964359).
17142750457 is an equidigital number, since it uses as much as digits as its factorization.
17142750457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2448964358.
The product of its (nonzero) digits is 274400, while the sum is 43.
The spelling of 17142750457 in words is "seventeen billion, one hundred forty-two million, seven hundred fifty thousand, four hundred fifty-seven".
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