Base | Representation |
---|---|
bin | 111111101001110… |
… | …1011011010001010 |
3 | 12111212000011221000 |
4 | 1333103223122022 |
5 | 13333240134340 |
6 | 551534555430 |
7 | 103633360401 |
oct | 17723533212 |
9 | 5455004830 |
10 | 2135864970 |
11 | 9a6704a68 |
12 | 4b7368b76 |
13 | 280667535 |
14 | 163944638 |
15 | c779dd30 |
hex | 7f4eb68a |
2135864970 has 64 divisors (see below), whose sum is σ = 5879393280. Its totient is φ = 551188800.
The previous prime is 2135864933. The next prime is 2135865007. The reversal of 2135864970 is 794685312.
2135864970 is a `hidden beast` number, since 21 + 3 + 586 + 49 + 7 + 0 = 666.
2135864970 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2135864933) and next prime (2135865007).
It is a Harshad number since it is a multiple of its sum of digits (45).
2135864970 is strictly pandigital in base 10.
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 31 ways as a sum of consecutive naturals, for example, 119221 + ... + 135960.
It is an arithmetic number, because the mean of its divisors is an integer number (91865520).
It is a 1-persistent number, because it is pandigital, but 2⋅2135864970 = 4271729940 is not.
Almost surely, 22135864970 is an apocalyptic number.
2135864970 is an abundant number, since it is smaller than the sum of its proper divisors (3743528310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2135864970 is a wasteful number, since it uses less digits than its factorization.
2135864970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255228 (or 255222 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 2135864970 is about 46215.4191801827. The cubic root of 2135864970 is about 1287.8282007428.
The spelling of 2135864970 in words is "two billion, one hundred thirty-five million, eight hundred sixty-four thousand, nine hundred seventy".
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