Base | Representation |
---|---|
bin | 111111011111010… |
… | …1111100001001011 |
3 | 12111110200100112200 |
4 | 1332332233201023 |
5 | 13330334024104 |
6 | 551221211243 |
7 | 103535622006 |
oct | 17676574113 |
9 | 5443610480 |
10 | 2130376779 |
11 | 9a35a6673 |
12 | 4b5560b23 |
13 | 27c49549b |
14 | 162d1653d |
15 | c7067b39 |
hex | 7efaf84b |
2130376779 has 18 divisors (see below), whose sum is σ = 3130930140. Its totient is φ = 1395482088.
The previous prime is 2130376763. The next prime is 2130376793. The reversal of 2130376779 is 9776730312.
It is not a de Polignac number, because 2130376779 - 24 = 2130376763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2130376579) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1062592 + ... + 1064594.
Almost surely, 22130376779 is an apocalyptic number.
2130376779 is a deficient number, since it is larger than the sum of its proper divisors (1000553361).
2130376779 is an frugal number, since it uses more digits than its factorization.
2130376779 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4071 (or 2065 counting only the distinct ones).
The product of its (nonzero) digits is 333396, while the sum is 45.
The square root of 2130376779 is about 46156.0047989425. The cubic root of 2130376779 is about 1286.7242124909.
The spelling of 2130376779 in words is "two billion, one hundred thirty million, three hundred seventy-six thousand, seven hundred seventy-nine".
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