Base | Representation |
---|---|
bin | 101110001100111100… |
… | …0001110011001101001 |
3 | 100111002200221211021201 |
4 | 1130121320032121221 |
5 | 3111144403323012 |
6 | 113325203004201 |
7 | 10111503426421 |
oct | 1343170163151 |
9 | 314080854251 |
10 | 99218417257 |
11 | 39095234453 |
12 | 17290069661 |
13 | 948290774b |
14 | 4b3332b481 |
15 | 28aa7ee857 |
hex | 1719e0e669 |
99218417257 has 16 divisors (see below), whose sum is σ = 104444323200. Its totient is φ = 94127040000.
The previous prime is 99218417227. The next prime is 99218417303. The reversal of 99218417257 is 75271481299.
It is a de Polignac number, because none of the positive numbers 2k-99218417257 is a prime.
99218417257 is a Rhonda number in base 10.
Its product of digits (2540160) is a multiple of the sum of its prime divisors (254016).
It is a junction number, because it is equal to n+sod(n) for n = 99218417198 and 99218417207.
It is not an unprimeable number, because it can be changed into a prime (99218417227) 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 15 ways as a sum of consecutive naturals, for example, 264132 + ... + 517882.
It is an arithmetic number, because the mean of its divisors is an integer number (6527770200).
Almost surely, 299218417257 is an apocalyptic number.
99218417257 is a gapful number since it is divisible by the number (97) formed by its first and last digit.
It is an amenable number.
99218417257 is a deficient number, since it is larger than the sum of its proper divisors (5225905943).
99218417257 is a wasteful number, since it uses less digits than its factorization.
99218417257 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254016.
The product of its digits is 2540160, while the sum is 55.
The spelling of 99218417257 in words is "ninety-nine billion, two hundred eighteen million, four hundred seventeen thousand, two hundred fifty-seven".
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