Base | Representation |
---|---|
bin | 101110000001101011… |
… | …110010001111001101 |
3 | 11201120012011101012120 |
4 | 232001223302033031 |
5 | 1302203104112320 |
6 | 34411534123153 |
7 | 3366453201600 |
oct | 560153621715 |
9 | 151505141176 |
10 | 49420379085 |
11 | 19a60574300 |
12 | 96b29504b9 |
13 | 487795ac7c |
14 | 256b770337 |
15 | 1443a50440 |
hex | b81af23cd |
49420379085 has 72 divisors (see below), whose sum is σ = 101104825248. Its totient is φ = 20538302400.
The previous prime is 49420379083. The next prime is 49420379111. The reversal of 49420379085 is 58097302494.
It is not a de Polignac number, because 49420379085 - 21 = 49420379083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49420379083) 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 71 ways as a sum of consecutive naturals, for example, 188911 + ... + 366780.
It is an arithmetic number, because the mean of its divisors is an integer number (1404233684).
Almost surely, 249420379085 is an apocalyptic number.
It is an amenable number.
49420379085 is an abundant number, since it is smaller than the sum of its proper divisors (51684446163).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49420379085 is a wasteful number, since it uses less digits than its factorization.
49420379085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555735 (or 555717 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 51.
The spelling of 49420379085 in words is "forty-nine billion, four hundred twenty million, three hundred seventy-nine thousand, eighty-five".
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