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30025050253 = 112729550023
BaseRepresentation
bin11011111101101000…
…011110100010001101
32212111111102120212021
4123331220132202031
5442442403102003
621443205010141
72112022500442
oct337550364215
985444376767
1030025050253
11118083a3720
12599b3b3951
132aa6626133
14164b8c99c9
15baae262bd
hex6fda1e88d

30025050253 has 4 divisors (see below), whose sum is σ = 32754600288. Its totient is φ = 27295500220.

The previous prime is 30025050229. The next prime is 30025050283. The reversal of 30025050253 is 35205052003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30025050253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025050283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364775001 + ... + 1364775022.

It is an arithmetic number, because the mean of its divisors is an integer number (8188650072).

Almost surely, 230025050253 is an apocalyptic number.

It is an amenable number.

30025050253 is a deficient number, since it is larger than the sum of its proper divisors (2729550035).

30025050253 is a wasteful number, since it uses less digits than its factorization.

30025050253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729550034.

The product of its (nonzero) digits is 4500, while the sum is 25.

The spelling of 30025050253 in words is "thirty billion, twenty-five million, fifty thousand, two hundred fifty-three".

Divisors: 1 11 2729550023 30025050253