Base | Representation |
---|---|
bin | 10101111011001001011111… |
… | …00101101100011010010110 |
3 | 20022201000002200020200112111 |
4 | 22331210233211230122112 |
5 | 22304400234403323430 |
6 | 250312110440341234 |
7 | 13104121335011053 |
oct | 1275445745543226 |
9 | 208630080220474 |
10 | 48211806307990 |
11 | 143a856a866436 |
12 | 54a793047481a |
13 | 20b947a486540 |
14 | bc966cc3802a |
15 | 589176866c2a |
hex | 2bd92f96c696 |
48211806307990 has 32 divisors (see below), whose sum is σ = 93457039265856. Its totient is φ = 17801223845760.
The previous prime is 48211806307981. The next prime is 48211806307993. The reversal of 48211806307990 is 9970360811284.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48211806307993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76759159 + ... + 77384701.
It is an arithmetic number, because the mean of its divisors is an integer number (2920532477058).
Almost surely, 248211806307990 is an apocalyptic number.
48211806307990 is a deficient number, since it is larger than the sum of its proper divisors (45245232957866).
48211806307990 is a wasteful number, since it uses less digits than its factorization.
48211806307990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1218424.
The product of its (nonzero) digits is 5225472, while the sum is 58.
The spelling of 48211806307990 in words is "forty-eight trillion, two hundred eleven billion, eight hundred six million, three hundred seven thousand, nine hundred ninety".
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