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30126017793 = 320294949239
BaseRepresentation
bin11100000011101001…
…101000110100000001
32212202112102021021210
4130003221220310001
5443144230032133
621501213040333
72114356632444
oct340351506401
985675367253
1030126017793
111185a396073
125a091860a9
132ac1518141
14165b08d65b
15bb4c1c763
hex703a68d01

30126017793 has 8 divisors (see below), whose sum is σ = 40187828800. Its totient is φ = 20074109328.

The previous prime is 30126017773. The next prime is 30126017797. The reversal of 30126017793 is 39771062103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30126017793 - 26 = 30126017729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30126017797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468533 + ... + 2480706.

It is an arithmetic number, because the mean of its divisors is an integer number (5023478600).

Almost surely, 230126017793 is an apocalyptic number.

It is an amenable number.

30126017793 is a deficient number, since it is larger than the sum of its proper divisors (10061811007).

30126017793 is a wasteful number, since it uses less digits than its factorization.

30126017793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951271.

The product of its (nonzero) digits is 47628, while the sum is 39.

Adding to 30126017793 its reverse (39771062103), we get a palindrome (69897079896).

The spelling of 30126017793 in words is "thirty billion, one hundred twenty-six million, seventeen thousand, seven hundred ninety-three".

Divisors: 1 3 2029 6087 4949239 14847717 10042005931 30126017793