Base | Representation |
---|---|
bin | 11011111100111000… |
… | …001111101010101010 |
3 | 2212110121122012210222 |
4 | 123330320033222222 |
5 | 442431134001232 |
6 | 21442034010042 |
7 | 2111510150144 |
oct | 337470175252 |
9 | 85417565728 |
10 | 30012406442 |
11 | 11801248197 |
12 | 5997116922 |
13 | 2aa3b1a0a5 |
14 | 1649d57c94 |
15 | ba9c79d12 |
hex | 6fce0faaa |
30012406442 has 8 divisors (see below), whose sum is σ = 45066453732. Its totient is φ = 14990255200.
The previous prime is 30012406429. The next prime is 30012406453. The reversal of 30012406442 is 24460421003.
It can be written as a sum of positive squares in 2 ways, for example, as 29849818441 + 162588001 = 172771^2 + 12751^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7971659 + ... + 7975422.
Almost surely, 230012406442 is an apocalyptic number.
30012406442 is a deficient number, since it is larger than the sum of its proper divisors (15054047290).
30012406442 is a wasteful number, since it uses less digits than its factorization.
30012406442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15948024.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 30012406442 its reverse (24460421003), we get a palindrome (54472827445).
The spelling of 30012406442 in words is "thirty billion, twelve million, four hundred six thousand, four hundred forty-two".
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