Base | Representation |
---|---|
bin | 11111001110000101111… |
… | …010001101100011100001 |
3 | 21121002202002001002202100 |
4 | 133032011322031203201 |
5 | 240122322414412210 |
6 | 4321333244241013 |
7 | 311000613150060 |
oct | 37160572154341 |
9 | 7532662032670 |
10 | 2145435310305 |
11 | 757968335011 |
12 | 2a7971b40169 |
13 | 12741020a5c1 |
14 | 75ba7cd61d7 |
15 | 3ac1ae915c0 |
hex | 1f385e8d8e1 |
2145435310305 has 48 divisors (see below), whose sum is σ = 4387102147584. Its totient is φ = 949132667520.
The previous prime is 2145435310279. The next prime is 2145435310339. The reversal of 2145435310305 is 5030135345412.
2145435310305 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 4 + 35 + 310 + 305 = 666.
It is not a de Polignac number, because 2145435310305 - 25 = 2145435310273 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2145435310305.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109843554 + ... + 109863083.
It is an arithmetic number, because the mean of its divisors is an integer number (91397961408).
Almost surely, 22145435310305 is an apocalyptic number.
It is an amenable number.
2145435310305 is an abundant number, since it is smaller than the sum of its proper divisors (2241666837279).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145435310305 is a wasteful number, since it uses less digits than its factorization.
2145435310305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219706686 (or 219706683 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 36.
The spelling of 2145435310305 in words is "two trillion, one hundred forty-five billion, four hundred thirty-five million, three hundred ten thousand, three hundred five".
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