Base | Representation |
---|---|
bin | 101101111111110101… |
… | …101010101101001101 |
3 | 11201111000220020210200 |
4 | 231333311222231031 |
5 | 1302122142241440 |
6 | 34404510324113 |
7 | 3365626050162 |
oct | 557765525515 |
9 | 151430806720 |
10 | 49389415245 |
11 | 19a45045755 |
12 | 96a44b9639 |
13 | 4871409381 |
14 | 25675d0069 |
15 | 1440e85c30 |
hex | b7fd6ab4d |
49389415245 has 24 divisors (see below), whose sum is σ = 87011739672. Its totient is φ = 25909200000.
The previous prime is 49389415169. The next prime is 49389415301. The reversal of 49389415245 is 54251498394.
It is a happy number.
49389415245 is a `hidden beast` number, since 4 + 9 + 389 + 4 + 15 + 245 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1292977764 + 48096437481 = 35958^2 + 219309^2 .
It is not a de Polignac number, because 49389415245 - 211 = 49389413197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49389415191 and 49389415200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8993506 + ... + 8998995.
It is an arithmetic number, because the mean of its divisors is an integer number (3625489153).
Almost surely, 249389415245 is an apocalyptic number.
49389415245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49389415245 is a deficient number, since it is larger than the sum of its proper divisors (37622324427).
49389415245 is a wasteful number, since it uses less digits than its factorization.
49389415245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17992573 (or 17992570 counting only the distinct ones).
The product of its digits is 6220800, while the sum is 54.
The spelling of 49389415245 in words is "forty-nine billion, three hundred eighty-nine million, four hundred fifteen thousand, two hundred forty-five".
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