Base | Representation |
---|---|
bin | 1010011101101110… |
… | …0101101101000011 |
3 | 21020202200101011200 |
4 | 2213123211231003 |
5 | 21223102334040 |
6 | 1142423112243 |
7 | 126416224146 |
oct | 24733455503 |
9 | 7222611150 |
10 | 2809027395 |
11 | 1211693949 |
12 | 6648a2683 |
13 | 359c6b1b5 |
14 | 1c90d405d |
15 | 11691e630 |
hex | a76e5b43 |
2809027395 has 12 divisors (see below), whose sum is σ = 4868980896. Its totient is φ = 1498147920.
The previous prime is 2809027387. The next prime is 2809027399. The reversal of 2809027395 is 5937209082.
It is not a de Polignac number, because 2809027395 - 23 = 2809027387 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 62422831 = 2809027395 / (2 + 8 + 0 + 9 + 0 + 2 + 7 + 3 + 9 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 2809027395.
It is not an unprimeable number, because it can be changed into a prime (2809027399) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31211371 + ... + 31211460.
It is an arithmetic number, because the mean of its divisors is an integer number (405748408).
Almost surely, 22809027395 is an apocalyptic number.
2809027395 is a deficient number, since it is larger than the sum of its proper divisors (2059953501).
2809027395 is a wasteful number, since it uses less digits than its factorization.
2809027395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62422842 (or 62422839 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 2809027395 is about 53000.2584427661. The cubic root of 2809027395 is about 1410.9728535823.
The spelling of 2809027395 in words is "two billion, eight hundred nine million, twenty-seven thousand, three hundred ninety-five".
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