Base | Representation |
---|---|
bin | 111111110111001… |
… | …1111101110011000 |
3 | 12112100020100022111 |
4 | 1333232133232120 |
5 | 13342040120000 |
6 | 552345402104 |
7 | 104050210201 |
oct | 17756375630 |
9 | 5470210274 |
10 | 2142895000 |
11 | 9aa676804 |
12 | 4b9799334 |
13 | 281c5930c |
14 | 1648545a8 |
15 | c81dbcba |
hex | 7fb9fb98 |
2142895000 has 40 divisors (see below), whose sum is σ = 5020814700. Its totient is φ = 857156000.
The previous prime is 2142894989. The next prime is 2142895009. The reversal of 2142895000 is 5982412.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142895009) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 209290 + ... + 219289.
Almost surely, 22142895000 is an apocalyptic number.
2142895000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2142895000 is an abundant number, since it is smaller than the sum of its proper divisors (2877919700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142895000 is an equidigital number, since it uses as much as digits as its factorization.
2142895000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428605 (or 428586 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 2142895000 is about 46291.4138906990. The cubic root of 2142895000 is about 1289.2395814885.
The spelling of 2142895000 in words is "two billion, one hundred forty-two million, eight hundred ninety-five thousand".
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