Search a number
-
+
30000525425 = 5213619914891
BaseRepresentation
bin11011111100001010…
…111011000001110001
32212102210021121010022
4123330022323001301
5442420113303200
621440531213225
72111304154463
oct337412730161
985383247108
1030000525425
11117a5572872
125993147215
132aa151a2c0
141648544133
15ba8bce885
hex6fc2bb071

30000525425 has 24 divisors (see below), whose sum is σ = 40071393600. Its totient is φ = 22149172800.

The previous prime is 30000525421. The next prime is 30000525431. The reversal of 30000525425 is 52452500003.

It is not a de Polignac number, because 30000525425 - 22 = 30000525421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30000525394 and 30000525403.

It is not an unprimeable number, because it can be changed into a prime (30000525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2007230 + ... + 2022120.

It is an arithmetic number, because the mean of its divisors is an integer number (1669641400).

Almost surely, 230000525425 is an apocalyptic number.

It is an amenable number.

30000525425 is a deficient number, since it is larger than the sum of its proper divisors (10070868175).

30000525425 is a wasteful number, since it uses less digits than its factorization.

30000525425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113 (or 21108 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 30000525425 in words is "thirty billion, five hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 6199 14891 30995 74455 80587 154975 193583 372275 402935 967915 2014675 4839575 92309309 461546545 1200021017 2307732725 6000105085 30000525425