Base | Representation |
---|---|
bin | 1001000111110010… |
… | …00111010110000001 |
3 | 110122021211121010000 |
4 | 10203321013112001 |
5 | 40012132022040 |
6 | 2125534430213 |
7 | 232233010230 |
oct | 44371072601 |
9 | 13567747100 |
10 | 4897142145 |
11 | 2093344415 |
12 | b48062369 |
13 | 60075735c |
14 | 346568b17 |
15 | 1d9dda130 |
hex | 123e47581 |
4897142145 has 80 divisors (see below), whose sum is σ = 10622924928. Its totient is φ = 2106984960.
The previous prime is 4897142119. The next prime is 4897142189. The reversal of 4897142145 is 5412417984.
It is not a de Polignac number, because 4897142145 - 25 = 4897142113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 4897142145.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2611 + ... + 99000.
Almost surely, 24897142145 is an apocalyptic number.
4897142145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4897142145 is an abundant number, since it is smaller than the sum of its proper divisors (5725782783).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4897142145 is a wasteful number, since it uses less digits than its factorization.
4897142145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101652 (or 101643 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 4897142145 is about 69979.5837726976. The cubic root of 4897142145 is about 1698.1689795497.
The spelling of 4897142145 in words is "four billion, eight hundred ninety-seven million, one hundred forty-two thousand, one hundred forty-five".
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