Base | Representation |
---|---|
bin | 101101101110001101… |
… | …111000110110000001 |
3 | 11200201102121011020122 |
4 | 231232031320312001 |
5 | 1301021001242341 |
6 | 34315305550025 |
7 | 3355406125355 |
oct | 555615706601 |
9 | 150642534218 |
10 | 49093774721 |
11 | 19903179642 |
12 | 96214a5315 |
13 | 48250a6954 |
14 | 253a233465 |
15 | 142503894b |
hex | b6e378d81 |
49093774721 has 4 divisors (see below), whose sum is σ = 49094542272. Its totient is φ = 49093007172.
The previous prime is 49093774703. The next prime is 49093774759. The reversal of 49093774721 is 12747739094.
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.
It is a cyclic number.
It is not a de Polignac number, because 49093774721 - 26 = 49093774657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49093774021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278141 + ... + 418986.
It is an arithmetic number, because the mean of its divisors is an integer number (12273635568).
Almost surely, 249093774721 is an apocalyptic number.
It is an amenable number.
49093774721 is a deficient number, since it is larger than the sum of its proper divisors (767551).
49093774721 is an equidigital number, since it uses as much as digits as its factorization.
49093774721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767550.
The product of its (nonzero) digits is 2667168, while the sum is 53.
The spelling of 49093774721 in words is "forty-nine billion, ninety-three million, seven hundred seventy-four thousand, seven hundred twenty-one".
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