Base | Representation |
---|---|
bin | 111110100111111… |
… | …0110110011111111 |
3 | 12102102222112121002 |
4 | 1331033312303333 |
5 | 13300413334141 |
6 | 544302200515 |
7 | 103033554230 |
oct | 17517666377 |
9 | 5372875532 |
10 | 2101308671 |
11 | 989152340 |
12 | 4a788313b |
13 | 276458717 |
14 | 15d10b087 |
15 | c4724e9b |
hex | 7d3f6cff |
2101308671 has 16 divisors (see below), whose sum is σ = 2683715328. Its totient is φ = 1597444800.
The previous prime is 2101308661. The next prime is 2101308683. The reversal of 2101308671 is 1768031012.
It is not a de Polignac number, because 2101308671 - 26 = 2101308607 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101308661) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329645 + ... + 335958.
It is an arithmetic number, because the mean of its divisors is an integer number (167732208).
Almost surely, 22101308671 is an apocalyptic number.
2101308671 is a deficient number, since it is larger than the sum of its proper divisors (582406657).
2101308671 is a wasteful number, since it uses less digits than its factorization.
2101308671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665662.
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 2101308671 is about 45840.0334969337. The cubic root of 2101308671 is about 1280.8451187682.
Adding to 2101308671 its reverse (1768031012), we get a palindrome (3869339683).
The spelling of 2101308671 in words is "two billion, one hundred one million, three hundred eight thousand, six hundred seventy-one".
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