Base | Representation |
---|---|
bin | 111110100110000… |
… | …0011000001110010 |
3 | 12102101002210212002 |
4 | 1331030003001302 |
5 | 13300134411010 |
6 | 544224534002 |
7 | 103022225102 |
oct | 17514030162 |
9 | 5371083762 |
10 | 2100310130 |
11 | 9886300a6 |
12 | 4a7481302 |
13 | 276199079 |
14 | 15cd2b202 |
15 | c45c91a5 |
hex | 7d303072 |
2100310130 has 8 divisors (see below), whose sum is σ = 3780558252. Its totient is φ = 840124048.
The previous prime is 2100310127. The next prime is 2100310139. The reversal of 2100310130 is 310130012.
It can be written as a sum of positive squares in 2 ways, for example, as 1829016289 + 271293841 = 42767^2 + 16471^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21003101302 = 8822605284361233800, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2100310139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105015497 + ... + 105015516.
Almost surely, 22100310130 is an apocalyptic number.
2100310130 is a deficient number, since it is larger than the sum of its proper divisors (1680248122).
2100310130 is a wasteful number, since it uses less digits than its factorization.
2100310130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210031020.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 2100310130 is about 45829.1406203520. The cubic root of 2100310130 is about 1280.6422009348.
Adding to 2100310130 its reverse (310130012), we get a palindrome (2410440142).
The spelling of 2100310130 in words is "two billion, one hundred million, three hundred ten thousand, one hundred thirty".
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