Base | Representation |
---|---|
bin | 111110101011010… |
… | …0110101110101101 |
3 | 12102120022102101120 |
4 | 1331112212232231 |
5 | 13301341442210 |
6 | 544404131153 |
7 | 103054603113 |
oct | 17526465655 |
9 | 5376272346 |
10 | 2103077805 |
11 | 98a150534 |
12 | 4a8396ab9 |
13 | 276927a4a |
14 | 15d44bab3 |
15 | c4974270 |
hex | 7d5a6bad |
2103077805 has 32 divisors (see below), whose sum is σ = 3426074496. Its totient is φ = 1101394944.
The previous prime is 2103077791. The next prime is 2103077813. The reversal of 2103077805 is 5087703012.
It is not a de Polignac number, because 2103077805 - 27 = 2103077677 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251014 + ... + 259256.
It is an arithmetic number, because the mean of its divisors is an integer number (107064828).
Almost surely, 22103077805 is an apocalyptic number.
It is an amenable number.
2103077805 is a deficient number, since it is larger than the sum of its proper divisors (1322996691).
2103077805 is a wasteful number, since it uses less digits than its factorization.
2103077805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8557.
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 2103077805 is about 45859.3262597697. The cubic root of 2103077805 is about 1281.2044743530.
The spelling of 2103077805 in words is "two billion, one hundred three million, seventy-seven thousand, eight hundred five".
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