Base | Representation |
---|---|
bin | 111111011110101… |
… | …1101110010010000 |
3 | 12111110001100022110 |
4 | 1332331131302100 |
5 | 13330242321000 |
6 | 551210105320 |
7 | 103533025662 |
oct | 17675356220 |
9 | 5443040273 |
10 | 2130042000 |
11 | 9a3398099 |
12 | 4b541b240 |
13 | 27c3a8ca8 |
14 | 162c6a532 |
15 | c6eed850 |
hex | 7ef5dc90 |
2130042000 has 80 divisors (see below), whose sum is σ = 6867274752. Its totient is φ = 568009600.
The previous prime is 2130041999. The next prime is 2130042037. The reversal of 2130042000 is 2400312.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171504 + ... + 183503.
Almost surely, 22130042000 is an apocalyptic number.
2130042000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130042000 is an abundant number, since it is smaller than the sum of its proper divisors (4737232752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130042000 is a wasteful number, since it uses less digits than its factorization.
2130042000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355033 (or 355017 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 2130042000 is about 46152.3780535738. The cubic root of 2130042000 is about 1286.6568080118.
Adding to 2130042000 its reverse (2400312), we get a palindrome (2132442312).
The spelling of 2130042000 in words is "two billion, one hundred thirty million, forty-two thousand".
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