Base | Representation |
---|---|
bin | 11000111100010101001000… |
… | …01110110111010100010001 |
3 | 21012012120010002212212021012 |
4 | 30132022210032313110101 |
5 | 24142123222324324222 |
6 | 312353301245340305 |
7 | 14360513303122265 |
oct | 1436124416672421 |
9 | 235176102785235 |
10 | 54849487729937 |
11 | 1652759a99a40a |
12 | 619a246567695 |
13 | 247b391077ac4 |
14 | d78a2d5720a5 |
15 | 651b638131e2 |
hex | 31e2a43b7511 |
54849487729937 has 8 divisors (see below), whose sum is σ = 56190057975240. Its totient is φ = 53509049763840.
The previous prime is 54849487729931. The next prime is 54849487730033. The reversal of 54849487729937 is 73992778494845.
It is a Cunningham number, because it is equal to 74060442+1.
It can be written as a sum of positive squares in 4 ways, for example, as 2642952512656 + 52206535217281 = 1625716^2 + 7225409^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54849487729937 - 28 = 54849487729681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54849487729931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32230112 + ... + 33889217.
It is an arithmetic number, because the mean of its divisors is an integer number (7023757246905).
Almost surely, 254849487729937 is an apocalyptic number.
It is an amenable number.
54849487729937 is a deficient number, since it is larger than the sum of its proper divisors (1340570245303).
54849487729937 is a wasteful number, since it uses less digits than its factorization.
54849487729937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66139603.
The product of its digits is 30725775360, while the sum is 86.
The spelling of 54849487729937 in words is "fifty-four trillion, eight hundred forty-nine billion, four hundred eighty-seven million, seven hundred twenty-nine thousand, nine hundred thirty-seven".
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