Base | Representation |
---|---|
bin | 1000001100110101… |
… | …1010011011001101 |
3 | 12200102012012222210 |
4 | 2003031122123031 |
5 | 14002020101110 |
6 | 1002234101033 |
7 | 105360002550 |
oct | 20315323315 |
9 | 5612165883 |
10 | 2201331405 |
11 | a2a659959 |
12 | 51527a779 |
13 | 2910a9680 |
14 | 16c506697 |
15 | cd3d1520 |
hex | 8335a6cd |
2201331405 has 32 divisors (see below), whose sum is σ = 4334932224. Its totient is φ = 928912896.
The previous prime is 2201331337. The next prime is 2201331413. The reversal of 2201331405 is 5041331022.
2201331405 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2201331405 - 27 = 2201331277 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804984 + ... + 807713.
It is an arithmetic number, because the mean of its divisors is an integer number (135466632).
Almost surely, 22201331405 is an apocalyptic number.
It is an amenable number.
2201331405 is a deficient number, since it is larger than the sum of its proper divisors (2133600819).
2201331405 is a wasteful number, since it uses less digits than its factorization.
2201331405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1612725.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2201331405 is about 46918.3482765538. The cubic root of 2201331405 is about 1300.8537596935.
Adding to 2201331405 its reverse (5041331022), we get a palindrome (7242662427).
The spelling of 2201331405 in words is "two billion, two hundred one million, three hundred thirty-one thousand, four hundred five".
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