Base | Representation |
---|---|
bin | 111110100111011… |
… | …0111000001010100 |
3 | 12102102111021011122 |
4 | 1331032313001110 |
5 | 13300332004010 |
6 | 544252423112 |
7 | 103031415365 |
oct | 17516670124 |
9 | 5372437148 |
10 | 2101047380 |
11 | 988a93aa3 |
12 | 4a7777a98 |
13 | 276396803 |
14 | 15d07db6c |
15 | c46c2855 |
hex | 7d3b7054 |
2101047380 has 24 divisors (see below), whose sum is σ = 4414743648. Its totient is φ = 839934368.
The previous prime is 2101047367. The next prime is 2101047409. The reversal of 2101047380 is 837401012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6347 + ... + 65133.
It is an arithmetic number, because the mean of its divisors is an integer number (183947652).
Almost surely, 22101047380 is an apocalyptic number.
2101047380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2101047380 is an abundant number, since it is smaller than the sum of its proper divisors (2313696268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101047380 is a wasteful number, since it uses less digits than its factorization.
2101047380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60583 (or 60581 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 2101047380 is about 45837.1833776902. The cubic root of 2101047380 is about 1280.7920269055.
Adding to 2101047380 its reverse (837401012), we get a palindrome (2938448392).
The spelling of 2101047380 in words is "two billion, one hundred one million, forty-seven thousand, three hundred eighty".
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