Base | Representation |
---|---|
bin | 10001001100111011… |
… | …010011100110000101 |
3 | 1202200020110211020020 |
4 | 101030323103212011 |
5 | 300311420444412 |
6 | 12252450325353 |
7 | 1222500345423 |
oct | 211473234605 |
9 | 52606424206 |
10 | 18470484357 |
11 | 791911a306 |
12 | 36b5889859 |
13 | 198484ccb0 |
14 | c730dc113 |
15 | 73184118c |
hex | 44ced3985 |
18470484357 has 32 divisors (see below), whose sum is σ = 27296962560. Its totient is φ = 11038991040.
The previous prime is 18470484353. The next prime is 18470484367. The reversal of 18470484357 is 75348407481.
It is not a de Polignac number, because 18470484357 - 22 = 18470484353 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18470484353) 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 31 ways as a sum of consecutive naturals, for example, 135744 + ... + 235302.
It is an arithmetic number, because the mean of its divisors is an integer number (853030080).
Almost surely, 218470484357 is an apocalyptic number.
It is an amenable number.
18470484357 is a deficient number, since it is larger than the sum of its proper divisors (8826478203).
18470484357 is a wasteful number, since it uses less digits than its factorization.
18470484357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99713.
The product of its (nonzero) digits is 3010560, while the sum is 51.
The spelling of 18470484357 in words is "eighteen billion, four hundred seventy million, four hundred eighty-four thousand, three hundred fifty-seven".
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