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30012406442 = 294115947081
BaseRepresentation
bin11011111100111000…
…001111101010101010
32212110121122012210222
4123330320033222222
5442431134001232
621442034010042
72111510150144
oct337470175252
985417565728
1030012406442
1111801248197
125997116922
132aa3b1a0a5
141649d57c94
15ba9c79d12
hex6fce0faaa

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".

Divisors: 1 2 941 1882 15947081 31894162 15006203221 30012406442