Base | Representation |
---|---|
bin | 10001000001110101… |
… | …00011100111101011 |
3 | 212121010120122001022 |
4 | 20200322203213223 |
5 | 122210342441010 |
6 | 4111100043055 |
7 | 442360020215 |
oct | 104072434753 |
9 | 25533518038 |
10 | 9142155755 |
11 | 3971565a27 |
12 | 193183348b |
13 | b29063925 |
14 | 62a25b5b5 |
15 | 38790bd55 |
hex | 220ea39eb |
9142155755 has 8 divisors (see below), whose sum is σ = 10973344752. Its totient is φ = 7311886048.
The previous prime is 9142155749. The next prime is 9142155809. The reversal of 9142155755 is 5575512419.
9142155755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9142155755 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207749 + ... + 247878.
It is an arithmetic number, because the mean of its divisors is an integer number (1371668094).
Almost surely, 29142155755 is an apocalyptic number.
9142155755 is a deficient number, since it is larger than the sum of its proper divisors (1831188997).
9142155755 is a wasteful number, since it uses less digits than its factorization.
9142155755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459645.
The product of its digits is 315000, while the sum is 44.
The square root of 9142155755 is about 95614.6210315138. The cubic root of 9142155755 is about 2090.9783622525.
The spelling of 9142155755 in words is "nine billion, one hundred forty-two million, one hundred fifty-five thousand, seven hundred fifty-five".
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