Base | Representation |
---|---|
bin | 10000110000010010… |
… | …00000101010101111 |
3 | 212012212120210110011 |
4 | 20120021000222233 |
5 | 121410201343212 |
6 | 4044320554051 |
7 | 435621545314 |
oct | 103011005257 |
9 | 25185523404 |
10 | 8994949807 |
11 | 38a6461a18 |
12 | 18b0482927 |
13 | b0470270c |
14 | 61489cd0b |
15 | 379a304a7 |
hex | 218240aaf |
8994949807 has 4 divisors (see below), whose sum is σ = 9305120520. Its totient is φ = 8684779096.
The previous prime is 8994949759. The next prime is 8994949819. The reversal of 8994949807 is 7089494998.
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 8994949807 - 227 = 8860732079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8994949837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155085313 + ... + 155085370.
It is an arithmetic number, because the mean of its divisors is an integer number (2326280130).
Almost surely, 28994949807 is an apocalyptic number.
8994949807 is a deficient number, since it is larger than the sum of its proper divisors (310170713).
8994949807 is a wasteful number, since it uses less digits than its factorization.
8994949807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310170712.
The product of its (nonzero) digits is 47029248, while the sum is 67.
The square root of 8994949807 is about 94841.7092159352. The cubic root of 8994949807 is about 2079.6946826726.
The spelling of 8994949807 in words is "eight billion, nine hundred ninety-four million, nine hundred forty-nine thousand, eight hundred seven".
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