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30753268241 = 31992040911
BaseRepresentation
bin11100101001000010…
…011010001000010001
32221101020200220010212
4130221002122020101
51000440314040431
622043341133505
72136044316113
oct345102321021
987336626125
1030753268241
1112051466673
125b6325a295
132b91465357
1416ba4cb3b3
15beed1e72b
hex72909a211

30753268241 has 4 divisors (see below), whose sum is σ = 31745309184. Its totient is φ = 29761227300.

The previous prime is 30753268211. The next prime is 30753268253. The reversal of 30753268241 is 14286235703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30753268241 - 222 = 30749073937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30753268211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496020425 + ... + 496020486.

It is an arithmetic number, because the mean of its divisors is an integer number (7936327296).

Almost surely, 230753268241 is an apocalyptic number.

30753268241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30753268241 is a deficient number, since it is larger than the sum of its proper divisors (992040943).

30753268241 is an equidigital number, since it uses as much as digits as its factorization.

30753268241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992040942.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 30753268241 in words is "thirty billion, seven hundred fifty-three million, two hundred sixty-eight thousand, two hundred forty-one".

Divisors: 1 31 992040911 30753268241