Base | Representation |
---|---|
bin | 101110010000100110… |
… | …000101100110010001 |
3 | 11202012121220001121221 |
4 | 232100212011212101 |
5 | 1303211124400021 |
6 | 34452432045041 |
7 | 3405611440636 |
oct | 562046054621 |
9 | 152177801557 |
10 | 49670543761 |
11 | 1a0797aa773 |
12 | 9762693781 |
13 | 48b772a5c7 |
14 | 2592a9018d |
15 | 145a9b8241 |
hex | b90985991 |
49670543761 has 4 divisors (see below), whose sum is σ = 49772537152. Its totient is φ = 49568550372.
The previous prime is 49670543743. The next prime is 49670543771. The reversal of 49670543761 is 16734507694.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16734507694 = 2 ⋅8367253847.
It is a cyclic number.
It is not a de Polignac number, because 49670543761 - 215 = 49670510993 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 49670543699 and 49670543708.
It is not an unprimeable number, because it can be changed into a prime (49670543771) 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, 50995965 + ... + 50996938.
It is an arithmetic number, because the mean of its divisors is an integer number (12443134288).
Almost surely, 249670543761 is an apocalyptic number.
It is an amenable number.
49670543761 is a deficient number, since it is larger than the sum of its proper divisors (101993391).
49670543761 is a wasteful number, since it uses less digits than its factorization.
49670543761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101993390.
The product of its (nonzero) digits is 3810240, while the sum is 52.
The spelling of 49670543761 in words is "forty-nine billion, six hundred seventy million, five hundred forty-three thousand, seven hundred sixty-one".
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