Base | Representation |
---|---|
bin | 1110111100000001… |
… | …00011010110101001 |
3 | 202200220101122012100 |
4 | 13132000203112221 |
5 | 112411012412212 |
6 | 3403441004013 |
7 | 402506635422 |
oct | 73600432651 |
9 | 22626348170 |
10 | 8019654057 |
11 | 3445981878 |
12 | 1679923609 |
13 | 9aa634c3c |
14 | 561142649 |
15 | 31e0cdbdc |
hex | 1de0235a9 |
8019654057 has 12 divisors (see below), whose sum is σ = 11696411584. Its totient is φ = 5294528280.
The previous prime is 8019654037. The next prime is 8019654073. The reversal of 8019654057 is 7504569108.
It is not a de Polignac number, because 8019654057 - 28 = 8019653801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8019654017) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4324669 + ... + 4326522.
Almost surely, 28019654057 is an apocalyptic number.
It is an amenable number.
8019654057 is a deficient number, since it is larger than the sum of its proper divisors (3676757527).
8019654057 is a wasteful number, since it uses less digits than its factorization.
8019654057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8651300 (or 8651297 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 45.
The square root of 8019654057 is about 89552.5212207898. The cubic root of 8019654057 is about 2001.6364986542.
The spelling of 8019654057 in words is "eight billion, nineteen million, six hundred fifty-four thousand, fifty-seven".
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