Base | Representation |
---|---|
bin | 111110101000000… |
… | …0001001011010101 |
3 | 12102110001200211110 |
4 | 1331100001023111 |
5 | 13300421214000 |
6 | 544303125233 |
7 | 103034122056 |
oct | 17520011325 |
9 | 5373050743 |
10 | 2101351125 |
11 | 989181225 |
12 | 4a78a3819 |
13 | 276471b43 |
14 | 15d11c72d |
15 | c4732850 |
hex | 7d4012d5 |
2101351125 has 16 divisors (see below), whose sum is σ = 3496648896. Its totient is φ = 1120720400.
The previous prime is 2101351123. The next prime is 2101351177. The reversal of 2101351125 is 5211531012.
It is not a de Polignac number, because 2101351125 - 21 = 2101351123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101351121) 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, 2801427 + ... + 2802176.
It is an arithmetic number, because the mean of its divisors is an integer number (218540556).
Almost surely, 22101351125 is an apocalyptic number.
2101351125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2101351125 is a deficient number, since it is larger than the sum of its proper divisors (1395297771).
2101351125 is an equidigital number, since it uses as much as digits as its factorization.
2101351125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5603621 (or 5603611 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 21.
The square root of 2101351125 is about 45840.4965614466. The cubic root of 2101351125 is about 1280.8537446043.
Adding to 2101351125 its reverse (5211531012), we get a palindrome (7312882137).
The spelling of 2101351125 in words is "two billion, one hundred one million, three hundred fifty-one thousand, one hundred twenty-five".
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