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30085688475 = 3252599223229
BaseRepresentation
bin11100000001001111…
…110010110010011011
32212122201112022212100
4130001033302302123
5443103414012400
621453212414443
72113360063323
oct340117626233
985581468770
1030085688475
1111839650057
1259b7777423
132ab606773b
141655992283
15bb1403100
hex7013f2c9b

30085688475 has 36 divisors (see below), whose sum is σ = 53977014000. Its totient is φ = 16018841280.

The previous prime is 30085688471. The next prime is 30085688531. The reversal of 30085688475 is 57488658003.

30085688475 is a `hidden beast` number, since 3 + 0 + 0 + 8 + 568 + 8 + 4 + 75 = 666.

It is not a de Polignac number, because 30085688475 - 22 = 30085688471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30085688471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23161 + ... + 246389.

It is an arithmetic number, because the mean of its divisors is an integer number (1499361500).

Almost surely, 230085688475 is an apocalyptic number.

30085688475 is a deficient number, since it is larger than the sum of its proper divisors (23891325525).

30085688475 is a wasteful number, since it uses less digits than its factorization.

30085688475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223844 (or 223836 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 30085688475 in words is "thirty billion, eighty-five million, six hundred eighty-eight thousand, four hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 599 1797 2995 5391 8985 14975 26955 44925 134775 223229 669687 1116145 2009061 3348435 5580725 10045305 16742175 50226525 133714171 401142513 668570855 1203427539 2005712565 3342854275 6017137695 10028562825 30085688475