Search a number
-
+
30208576418 = 2232071731699
BaseRepresentation
bin11100001000100100…
…100100101110100010
32212222021202200102122
4130020210210232202
5443331343421133
621513322344242
72116411443236
oct341044445642
985867680378
1030208576418
11118a1a54639
125a3095b082
132b05662cb7
1416680205c6
15bbc0c9498
hex708924ba2

30208576418 has 16 divisors (see below), whose sum is σ = 47286763200. Its totient is φ = 14446426896.

The previous prime is 30208576399. The next prime is 30208576439. The reversal of 30208576418 is 81467580203.

It is a super-4 number, since 4×302085764184 (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937133 + ... + 968831.

It is an arithmetic number, because the mean of its divisors is an integer number (2955422700).

Almost surely, 230208576418 is an apocalyptic number.

30208576418 is a deficient number, since it is larger than the sum of its proper divisors (17078186782).

30208576418 is a wasteful number, since it uses less digits than its factorization.

30208576418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52441.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 30208576418 in words is "thirty billion, two hundred eight million, five hundred seventy-six thousand, four hundred eighteen".

Divisors: 1 2 23 46 20717 31699 41434 63398 476491 729077 952982 1458154 656708183 1313416366 15104288209 30208576418