Base | Representation |
---|---|
bin | 11111001101101101101… |
… | …111000110011111011111 |
3 | 21121001200210220020012120 |
4 | 133031231233012133133 |
5 | 240121010103311412 |
6 | 4321225115434023 |
7 | 310654556664561 |
oct | 37155557063737 |
9 | 7531623806176 |
10 | 2145029744607 |
11 | 75777a408552 |
12 | 2a787a155913 |
13 | 12737719a8b9 |
14 | 75b6a0c3331 |
15 | 3abe557db8c |
hex | 1f36dbc67df |
2145029744607 has 32 divisors (see below), whose sum is σ = 3160278208512. Its totient is φ = 1287246411264.
The previous prime is 2145029744569. The next prime is 2145029744747. The reversal of 2145029744607 is 7064479205412.
It is not a de Polignac number, because 2145029744607 - 222 = 2145025550303 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a self number, because there is not a number n which added to its sum of digits gives 2145029744607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145029744107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11504973 + ... + 11689929.
It is an arithmetic number, because the mean of its divisors is an integer number (98758694016).
Almost surely, 22145029744607 is an apocalyptic number.
2145029744607 is a deficient number, since it is larger than the sum of its proper divisors (1015248463905).
2145029744607 is a wasteful number, since it uses less digits than its factorization.
2145029744607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194887.
The product of its (nonzero) digits is 3386880, while the sum is 51.
The spelling of 2145029744607 in words is "two trillion, one hundred forty-five billion, twenty-nine million, seven hundred forty-four thousand, six hundred seven".
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