Base | Representation |
---|---|
bin | 101110010100000100… |
… | …110101000101100010 |
3 | 11202100200202121022100 |
4 | 232110010311011202 |
5 | 1303321101343432 |
6 | 34502315351230 |
7 | 3410220652401 |
oct | 562404650542 |
9 | 152320677270 |
10 | 49728934242 |
11 | 1a0a9761369 |
12 | 977a152516 |
13 | 48c6862aa0 |
14 | 259a72d638 |
15 | 1460b9e07c |
hex | b94135162 |
49728934242 has 48 divisors (see below), whose sum is σ = 122859729720. Its totient is φ = 14401138176.
The previous prime is 49728934237. The next prime is 49728934243. The reversal of 49728934242 is 24243982794.
49728934242 is a `hidden beast` number, since 4 + 97 + 289 + 34 + 242 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 30607852401 + 19121081841 = 174951^2 + 138279^2 .
It is a super-2 number, since 2×497289342422 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (49728934243) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6246517 + ... + 6254472.
Almost surely, 249728934242 is an apocalyptic number.
49728934242 is an abundant number, since it is smaller than the sum of its proper divisors (73130795478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49728934242 is a wasteful number, since it uses less digits than its factorization.
49728934242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12501027 (or 12501024 counting only the distinct ones).
The product of its digits is 6967296, while the sum is 54.
The spelling of 49728934242 in words is "forty-nine billion, seven hundred twenty-eight million, nine hundred thirty-four thousand, two hundred forty-two".
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