Base | Representation |
---|---|
bin | 10000101111001111… |
… | …10100001111001011 |
3 | 212012021012201000011 |
4 | 20113213310033023 |
5 | 121400434420024 |
6 | 4043410252351 |
7 | 435454564111 |
oct | 102747641713 |
9 | 25167181004 |
10 | 8986248139 |
11 | 38a1559260 |
12 | 18a95870b7 |
13 | b02976abb |
14 | 613675ab1 |
15 | 378db2094 |
hex | 2179f43cb |
8986248139 has 4 divisors (see below), whose sum is σ = 9803179800. Its totient is φ = 8169316480.
The previous prime is 8986248137. The next prime is 8986248157. The reversal of 8986248139 is 9318426898.
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 8986248139 - 21 = 8986248137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8986248137) 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 3 ways as a sum of consecutive naturals, for example, 408465814 + ... + 408465835.
It is an arithmetic number, because the mean of its divisors is an integer number (2450794950).
Almost surely, 28986248139 is an apocalyptic number.
8986248139 is a deficient number, since it is larger than the sum of its proper divisors (816931661).
8986248139 is a wasteful number, since it uses less digits than its factorization.
8986248139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816931660.
The product of its digits is 5971968, while the sum is 58.
The square root of 8986248139 is about 94795.8234259295. The cubic root of 8986248139 is about 2079.0238376694.
The spelling of 8986248139 in words is "eight billion, nine hundred eighty-six million, two hundred forty-eight thousand, one hundred thirty-nine".
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