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300030550525 = 5225469471209
BaseRepresentation
bin1000101110110110011…
…01101110000111111101
31001200102122102011012001
410113123031232013331
514403430310104100
6345455423542301
730451015413046
oct4273315560775
91050378364161
10300030550525
11106273473372
124a19375a991
13223a6267344
14107432158cd
157c101e5d6a
hex45db36e1fd

300030550525 has 12 divisors (see below), whose sum is σ = 372053279700. Its totient is φ = 240014506880.

The previous prime is 300030550517. The next prime is 300030550543. The reversal of 300030550525 is 525055030003.

It can be written as a sum of positive squares in 6 ways, for example, as 13483389924 + 286547160601 = 116118^2 + 535301^2 .

It is not a de Polignac number, because 300030550525 - 23 = 300030550517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300030550493 and 300030550502.

It is a congruent number.

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, 401121 + ... + 872329.

It is an arithmetic number, because the mean of its divisors is an integer number (31004439975).

Almost surely, 2300030550525 is an apocalyptic number.

It is an amenable number.

300030550525 is a deficient number, since it is larger than the sum of its proper divisors (72022729175).

300030550525 is a wasteful number, since it uses less digits than its factorization.

300030550525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496688 (or 496683 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

Adding to 300030550525 its reverse (525055030003), we get a palindrome (825085580528).

The spelling of 300030550525 in words is "three hundred billion, thirty million, five hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 25 25469 127345 471209 636725 2356045 11780225 12001222021 60006110105 300030550525