Base | Representation |
---|---|
bin | 101100111000010100… |
… | …010111101111001001 |
3 | 11121101102001110122101 |
4 | 230320110113233021 |
5 | 1242143003120312 |
6 | 34045444153401 |
7 | 3324116013043 |
oct | 547024275711 |
9 | 147342043571 |
10 | 48189504457 |
11 | 1948979aa46 |
12 | 940a698861 |
13 | 470c9466a3 |
14 | 24920c4a93 |
15 | 13c0966a57 |
hex | b38517bc9 |
48189504457 has 8 divisors (see below), whose sum is σ = 48550408200. Its totient is φ = 47829100800.
The previous prime is 48189504431. The next prime is 48189504463. The reversal of 48189504457 is 75440598184.
It can be written as a sum of positive squares in 4 ways, for example, as 8067812041 + 40121692416 = 89821^2 + 200304^2 .
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 48189504457 - 27 = 48189504329 is a prime.
It is a super-2 number, since 2×481895044572 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 48189504398 and 48189504407.
It is not an unprimeable number, because it can be changed into a prime (48189544457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69553 + ... + 318145.
It is an arithmetic number, because the mean of its divisors is an integer number (6068801025).
Almost surely, 248189504457 is an apocalyptic number.
It is an amenable number.
48189504457 is a deficient number, since it is larger than the sum of its proper divisors (360903743).
48189504457 is a wasteful number, since it uses less digits than its factorization.
48189504457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250043.
The product of its (nonzero) digits is 6451200, while the sum is 55.
The spelling of 48189504457 in words is "forty-eight billion, one hundred eighty-nine million, five hundred four thousand, four hundred fifty-seven".
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