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30243254042 = 223896329689
BaseRepresentation
bin11100001010101000…
…110110111100011010
32220001201000111012002
4130022220312330122
5443414233112132
621521001521002
72120312263211
oct341250667432
986051014162
1030243254042
111190a58a431
125a404a3162
132b0c8b50c1
14166c88a078
15bc0179262
hex70aa36f1a

30243254042 has 8 divisors (see below), whose sum is σ = 45383877300. Its totient is φ = 15115294944.

The previous prime is 30243254033. The next prime is 30243254051. The reversal of 30243254042 is 24045234203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30243254033) and next prime (30243254051).

It can be written as a sum of positive squares in 2 ways, for example, as 26775104161 + 3468149881 = 163631^2 + 58891^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30243253996 and 30243254014.

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, 3160067 + ... + 3169622.

Almost surely, 230243254042 is an apocalyptic number.

30243254042 is a deficient number, since it is larger than the sum of its proper divisors (15140623258).

30243254042 is a wasteful number, since it uses less digits than its factorization.

30243254042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332080.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 30243254042 its reverse (24045234203), we get a palindrome (54288488245).

The spelling of 30243254042 in words is "thirty billion, two hundred forty-three million, two hundred fifty-four thousand, forty-two".

Divisors: 1 2 2389 4778 6329689 12659378 15121627021 30243254042