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30120300424 = 233765037553
BaseRepresentation
bin11100000011010011…
…110100111110001000
32212202010122210112101
4130003103310332020
5443141244103144
621500450323144
72114260220644
oct340323647610
985663583471
1030120300424
1111857140575
125a072894b4
132ac0295996
14165a401c24
15bb448d6d4
hex7034f4f88

30120300424 has 8 divisors (see below), whose sum is σ = 56475563310. Its totient is φ = 15060150208.

The previous prime is 30120300389. The next prime is 30120300433. The reversal of 30120300424 is 42400302103.

It can be written as a sum of positive squares in only one way, i.e., 22943160900 + 7177139524 = 151470^2 + 84718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882518769 + ... + 1882518784.

Almost surely, 230120300424 is an apocalyptic number.

It is an amenable number.

30120300424 is a deficient number, since it is larger than the sum of its proper divisors (26355262886).

30120300424 is a wasteful number, since it uses less digits than its factorization.

30120300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765037559 (or 3765037555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30120300424 its reverse (42400302103), we get a palindrome (72520602527).

The spelling of 30120300424 in words is "thirty billion, one hundred twenty million, three hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 8 3765037553 7530075106 15060150212 30120300424