Base | Representation |
---|---|
bin | 101110001110011010… |
… | …011100110000110001 |
3 | 11202010002000022121211 |
4 | 232032122130300301 |
5 | 1303122242012411 |
6 | 34445043320121 |
7 | 3404655342001 |
oct | 561632346061 |
9 | 152102008554 |
10 | 49633938481 |
11 | 1a060078676 |
12 | 9752380041 |
13 | 48acc81c8a |
14 | 258bc82001 |
15 | 1457687221 |
hex | b8e69cc31 |
49633938481 has 4 divisors (see below), whose sum is σ = 49636478052. Its totient is φ = 49631398912.
The previous prime is 49633938461. The next prime is 49633938511. The reversal of 49633938481 is 18483933694.
It is a happy number.
49633938481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18483933694 = 2 ⋅9241966847.
It can be written as a sum of positive squares in 2 ways, for example, as 3834086400 + 45799852081 = 61920^2 + 214009^2 .
It is a cyclic number.
It is not a de Polignac number, because 49633938481 - 211 = 49633936433 is a prime.
It is a super-2 number, since 2×496339384812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49633938401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240240 + ... + 1279633.
It is an arithmetic number, because the mean of its divisors is an integer number (12409119513).
Almost surely, 249633938481 is an apocalyptic number.
It is an amenable number.
49633938481 is a deficient number, since it is larger than the sum of its proper divisors (2539571).
49633938481 is a wasteful number, since it uses less digits than its factorization.
49633938481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2539570.
The product of its digits is 13436928, while the sum is 58.
The spelling of 49633938481 in words is "forty-nine billion, six hundred thirty-three million, nine hundred thirty-eight thousand, four hundred eighty-one".
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