Base | Representation |
---|---|
bin | 111110100110000… |
… | …1000001001100100 |
3 | 12102101010212122001 |
4 | 1331030020021210 |
5 | 13300141043413 |
6 | 544225215044 |
7 | 103022343211 |
oct | 17514101144 |
9 | 5371125561 |
10 | 2100331108 |
11 | 988644937 |
12 | 4a7491484 |
13 | 2761a5795 |
14 | 15cd34b08 |
15 | c45d04dd |
hex | 7d308264 |
2100331108 has 24 divisors (see below), whose sum is σ = 3792751704. Its totient is φ = 1017062400.
The previous prime is 2100331049. The next prime is 2100331109. The reversal of 2100331108 is 8011330012.
It can be written as a sum of positive squares in 4 ways, for example, as 251159104 + 1849172004 = 15848^2 + 43002^2 .
It is a super-2 number, since 2×21003311082 = 8822781526465015328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2100331109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24273 + ... + 69208.
It is an arithmetic number, because the mean of its divisors is an integer number (158031321).
Almost surely, 22100331108 is an apocalyptic number.
It is an amenable number.
2100331108 is a deficient number, since it is larger than the sum of its proper divisors (1692420596).
2100331108 is a wasteful number, since it uses less digits than its factorization.
2100331108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93663 (or 93661 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 2100331108 is about 45829.3694916262. The cubic root of 2100331108 is about 1280.6464646261.
The spelling of 2100331108 in words is "two billion, one hundred million, three hundred thirty-one thousand, one hundred eight".
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