Base | Representation |
---|---|
bin | 11110101100110001… |
… | …10110001001111001 |
3 | 1120112122022010000001 |
4 | 33112120312021321 |
5 | 232223311130020 |
6 | 11323244513001 |
7 | 1122301321216 |
oct | 172630661171 |
9 | 46478263001 |
10 | 16481739385 |
11 | 6a9856a821 |
12 | 323b84b761 |
13 | 1728816817 |
14 | b24d32b0d |
15 | 666e5350a |
hex | 3d6636279 |
16481739385 has 8 divisors (see below), whose sum is σ = 20113309440. Its totient is φ = 12961910064.
The previous prime is 16481739347. The next prime is 16481739397. The reversal of 16481739385 is 58393718461.
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 16481739385 - 29 = 16481738873 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 27934857 + ... + 27935446.
It is an arithmetic number, because the mean of its divisors is an integer number (2514163680).
Almost surely, 216481739385 is an apocalyptic number.
It is an amenable number.
16481739385 is a deficient number, since it is larger than the sum of its proper divisors (3631570055).
16481739385 is an equidigital number, since it uses as much as digits as its factorization.
16481739385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55870367.
The product of its digits is 4354560, while the sum is 55.
The spelling of 16481739385 in words is "sixteen billion, four hundred eighty-one million, seven hundred thirty-nine thousand, three hundred eighty-five".
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