Search a number
-
+
110213210130121 = 725342438663893
BaseRepresentation
bin11001000011110100000011…
…001111010100011011001001
3112110020021120010000121102001
4121003310003033110123021
5103421213123243130441
61030223125540511001
732133433042646500
oct3103640317243311
9473207503017361
10110213210130121
11321321839586aa
12104400850ab461
1349660a4385477
141d304c2649837
15cb1d72794731
hex643d033d46c9

110213210130121 has 12 divisors (see below), whose sum is σ = 130626207465732. Its totient is φ = 92686041940128.

The previous prime is 110213210130103. The next prime is 110213210130143. The reversal of 110213210130121 is 121031012312011.

It can be written as a sum of positive squares in 2 ways, for example, as 46894268547721 + 63318941582400 = 6847939^2 + 7957320^2 .

It is not a de Polignac number, because 110213210130121 - 29 = 110213210129609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110213210130181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21219329350 + ... + 21219334543.

It is an arithmetic number, because the mean of its divisors is an integer number (10885517288811).

Almost surely, 2110213210130121 is an apocalyptic number.

It is an amenable number.

110213210130121 is a deficient number, since it is larger than the sum of its proper divisors (20412997335611).

110213210130121 is an equidigital number, since it uses as much as digits as its factorization.

110213210130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42438663960 (or 42438663953 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 110213210130121 its reverse (121031012312011), we get a palindrome (231244222442132).

The spelling of 110213210130121 in words is "one hundred ten trillion, two hundred thirteen billion, two hundred ten million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 7 49 53 371 2597 42438663893 297070647251 2079494530757 2249249186329 15744744304303 110213210130121