Search a number
-
+
30025550303 = 77954295751
BaseRepresentation
bin11011111101101010…
…011000100111011111
32212111112100222210122
4123331222120213133
5442443020102203
621443223425155
72112026652350
oct337552304737
985445328718
1030025550303
1111808705391
12599b5b51bb
132aa676c918
14164b9b9d27
15baaec4538
hex6fda989df

30025550303 has 8 divisors (see below), whose sum is σ = 34749281280. Its totient is φ = 25410411000.

The previous prime is 30025550281. The next prime is 30025550327. The reversal of 30025550303 is 30305552003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30025550303 - 222 = 30021355999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025550363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27147323 + ... + 27148428.

It is an arithmetic number, because the mean of its divisors is an integer number (4343660160).

Almost surely, 230025550303 is an apocalyptic number.

30025550303 is a deficient number, since it is larger than the sum of its proper divisors (4723730977).

30025550303 is an equidigital number, since it uses as much as digits as its factorization.

30025550303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54295837.

The product of its (nonzero) digits is 6750, while the sum is 26.

The spelling of 30025550303 in words is "thirty billion, twenty-five million, five hundred fifty thousand, three hundred three".

Divisors: 1 7 79 553 54295751 380070257 4289364329 30025550303