Base | Representation |
---|---|
bin | 111110101111100… |
… | …1011001101110001 |
3 | 12102201112120010211 |
4 | 1331133023031301 |
5 | 13302430340101 |
6 | 544524224121 |
7 | 103112651005 |
oct | 17537131561 |
9 | 5381476124 |
10 | 2105324401 |
11 | 990445424 |
12 | 4a909b041 |
13 | 2772334ab |
14 | 15d874705 |
15 | c4c69c51 |
hex | 7d7cb371 |
2105324401 has 2 divisors, whose sum is σ = 2105324402. Its totient is φ = 2105324400.
The previous prime is 2105324381. The next prime is 2105324423. The reversal of 2105324401 is 1044235012.
It is an a-pointer prime, because the next prime (2105324423) can be obtained adding 2105324401 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1357848801 + 747475600 = 36849^2 + 27340^2 .
It is a cyclic number.
It is not a de Polignac number, because 2105324401 - 213 = 2105316209 is a prime.
It is not a weakly prime, because it can be changed into another prime (2105321401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052662200 + 1052662201.
It is an arithmetic number, because the mean of its divisors is an integer number (1052662201).
Almost surely, 22105324401 is an apocalyptic number.
It is an amenable number.
2105324401 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105324401 is an equidigital number, since it uses as much as digits as its factorization.
2105324401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 2105324401 is about 45883.8141505259. The cubic root of 2105324401 is about 1281.6605241362.
Adding to 2105324401 its reverse (1044235012), we get a palindrome (3149559413).
It can be divided in two parts, 21053 and 24401, that added together give a palindrome (45454).
The spelling of 2105324401 in words is "two billion, one hundred five million, three hundred twenty-four thousand, four hundred one".
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