Base | Representation |
---|---|
bin | 11100011100100110… |
… | …101110111100110011 |
3 | 2220211201012212022222 |
4 | 130130212232330303 |
5 | 1000023414440044 |
6 | 22010530351255 |
7 | 2130632361206 |
oct | 343446567463 |
9 | 86751185288 |
10 | 30544686899 |
11 | 11a547523a1 |
12 | 5b0542b52b |
13 | 2b5a19513c |
14 | 169a91393d |
15 | bdb86c8ee |
hex | 71c9aef33 |
30544686899 has 4 divisors (see below), whose sum is σ = 30591897264. Its totient is φ = 30497476536.
The previous prime is 30544686877. The next prime is 30544686917. The reversal of 30544686899 is 99868644503.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30544686899 - 212 = 30544682803 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30544686829) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23604212 + ... + 23605505.
It is an arithmetic number, because the mean of its divisors is an integer number (7647974316).
Almost surely, 230544686899 is an apocalyptic number.
30544686899 is a deficient number, since it is larger than the sum of its proper divisors (47210365).
30544686899 is an equidigital number, since it uses as much as digits as its factorization.
30544686899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47210364.
The product of its (nonzero) digits is 44789760, while the sum is 62.
The spelling of 30544686899 in words is "thirty billion, five hundred forty-four million, six hundred eighty-six thousand, eight hundred ninety-nine".
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