Base | Representation |
---|---|
bin | 101100111000011101… |
… | …010110110111111001 |
3 | 11121101120111011010202 |
4 | 230320131112313321 |
5 | 1242144104011332 |
6 | 34050010451545 |
7 | 3324145024124 |
oct | 547035266771 |
9 | 147346434122 |
10 | 48191860217 |
11 | 19490059956 |
12 | 940b433bb5 |
13 | 471028ca27 |
14 | 24925393bb |
15 | 13c0c7ea62 |
hex | b38756df9 |
48191860217 has 8 divisors (see below), whose sum is σ = 48242886120. Its totient is φ = 48140861440.
The previous prime is 48191860201. The next prime is 48191860229. The reversal of 48191860217 is 71206819184.
It can be written as a sum of positive squares in 4 ways, for example, as 23194985401 + 24996874816 = 152299^2 + 158104^2 .
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 48191860217 - 24 = 48191860201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48191860517) 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, 6142217 + ... + 6150057.
It is an arithmetic number, because the mean of its divisors is an integer number (6030360765).
Almost surely, 248191860217 is an apocalyptic number.
It is an amenable number.
48191860217 is a deficient number, since it is larger than the sum of its proper divisors (51025903).
48191860217 is a wasteful number, since it uses less digits than its factorization.
48191860217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13563.
The product of its (nonzero) digits is 193536, while the sum is 47.
The spelling of 48191860217 in words is "forty-eight billion, one hundred ninety-one million, eight hundred sixty thousand, two hundred seventeen".
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