Search a number
-
+
121233244025 = 5244910800289
BaseRepresentation
bin111000011101000010…
…0000111111101111001
3102120220221201220021002
41300322010013331321
53441241202302100
6131405505054345
711521162400015
oct1607204077571
9376827656232
10121233244025
1147462007663
121b5b49273b5
13b58084b26a
145c2104b545
1532483ab2d5
hex1c3a107f79

121233244025 has 12 divisors (see below), whose sum is σ = 150664045500. Its totient is φ = 96770580480.

The previous prime is 121233243997. The next prime is 121233244037. The reversal of 121233244025 is 520442332121.

It can be written as a sum of positive squares in 6 ways, for example, as 4586404729 + 116646839296 = 67723^2 + 341536^2 .

It is not a de Polignac number, because 121233244025 - 216 = 121233178489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5388920 + ... + 5411369.

It is an arithmetic number, because the mean of its divisors is an integer number (12555337125).

Almost surely, 2121233244025 is an apocalyptic number.

It is an amenable number.

121233244025 is a deficient number, since it is larger than the sum of its proper divisors (29430801475).

121233244025 is a wasteful number, since it uses less digits than its factorization.

121233244025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800748 (or 10800743 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 121233244025 its reverse (520442332121), we get a palindrome (641675576146).

The spelling of 121233244025 in words is "one hundred twenty-one billion, two hundred thirty-three million, two hundred forty-four thousand, twenty-five".

Divisors: 1 5 25 449 2245 11225 10800289 54001445 270007225 4849329761 24246648805 121233244025