Search a number
-
+
30025106553289 = 54795172
BaseRepresentation
bin1101101001110110000111…
…10011110111100111001001
310221022101001022002210221011
412310323003303313213021
512413412404234201124
6143505202111443521
76216146062515451
oct664730363674711
9127271038083834
1030025106553289
119626637995151
12344b0975265a1
13139a480a72043
1475b31994cd61
1537104dee7994
hex1b4ec3cf79c9

30025106553289 has 3 divisors (see below), whose sum is σ = 30025112032807. Its totient is φ = 30025101073772.

The previous prime is 30025106553287. The next prime is 30025106553317. The reversal of 30025106553289 is 98235560152003.

The square root of 30025106553289 is 5479517.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4386155319225 + 25638951234064 = 2094315^2 + 5063492^2 .

It is not a de Polignac number, because 30025106553289 - 21 = 30025106553287 is a prime.

It is a super-3 number, since 3×300251065532893 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30025106553287) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2739759 + ... + 8219275.

Almost surely, 230025106553289 is an apocalyptic number.

30025106553289 is the 5479517-th square number.

30025106553289 is the 2739759-th centered octagonal number.

It is an amenable number.

30025106553289 is a deficient number, since it is larger than the sum of its proper divisors (5479518).

30025106553289 is an frugal number, since it uses more digits than its factorization.

30025106553289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959034 (or 5479517 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 30025106553289 in words is "thirty trillion, twenty-five billion, one hundred six million, five hundred fifty-three thousand, two hundred eighty-nine".

Divisors: 1 5479517 30025106553289