Base | Representation |
---|---|
bin | 101101001011001000… |
… | …111111010001000101 |
3 | 11122012102020220212212 |
4 | 231023020333101011 |
5 | 1243314323201444 |
6 | 34141044353205 |
7 | 3335002100042 |
oct | 551310772105 |
9 | 148172226785 |
10 | 48505287749 |
11 | 19630a74676 |
12 | 94983a5805 |
13 | 47601ac4c9 |
14 | 24c20061c9 |
15 | 13dd54219e |
hex | b4b23f445 |
48505287749 has 2 divisors, whose sum is σ = 48505287750. Its totient is φ = 48505287748.
The previous prime is 48505287713. The next prime is 48505287763. The reversal of 48505287749 is 94778250584.
48505287749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27869965249 + 20635322500 = 166943^2 + 143650^2 .
It is a cyclic number.
It is not a de Polignac number, because 48505287749 - 224 = 48488510533 is a prime.
It is a super-2 number, since 2×485052877492 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48501287749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24252643874 + 24252643875.
It is an arithmetic number, because the mean of its divisors is an integer number (24252643875).
Almost surely, 248505287749 is an apocalyptic number.
It is an amenable number.
48505287749 is a deficient number, since it is larger than the sum of its proper divisors (1).
48505287749 is an equidigital number, since it uses as much as digits as its factorization.
48505287749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22579200, while the sum is 59.
The spelling of 48505287749 in words is "forty-eight billion, five hundred five million, two hundred eighty-seven thousand, seven hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •