Base | Representation |
---|---|
bin | 11100011001001000… |
… | …101111011010010001 |
3 | 2220200122201022001121 |
4 | 130121020233122101 |
5 | 444414020232232 |
6 | 22001051202241 |
7 | 2126324625154 |
oct | 343110573221 |
9 | 86618638047 |
10 | 30486492817 |
11 | 11a24915310 |
12 | 5aa9a46381 |
13 | 2b4b0cb181 |
14 | 1692cc5c9b |
15 | bd66c4d97 |
hex | 71922f691 |
30486492817 has 16 divisors (see below), whose sum is σ = 34527358080. Its totient is φ = 26663996800.
The previous prime is 30486492793. The next prime is 30486492851. The reversal of 30486492817 is 71829468403.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30486492817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30486499817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80413 + ... + 259690.
It is an arithmetic number, because the mean of its divisors is an integer number (2157959880).
Almost surely, 230486492817 is an apocalyptic number.
It is an amenable number.
30486492817 is a deficient number, since it is larger than the sum of its proper divisors (4040865263).
30486492817 is a wasteful number, since it uses less digits than its factorization.
30486492817 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340424.
The product of its (nonzero) digits is 2322432, while the sum is 52.
The spelling of 30486492817 in words is "thirty billion, four hundred eighty-six million, four hundred ninety-two thousand, eight hundred seventeen".
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