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30612610241 = 56935377237
BaseRepresentation
bin11100100000101001…
…110101110011000001
32221000110000201122022
4130200221311303001
51000143312011431
622021354251225
72132415615353
oct344051656301
987013021568
1030612610241
1111a8a025194
125b24126b15
132b6b287675
1416a59550d3
15be27d807b
hex720a75cc1

30612610241 has 4 divisors (see below), whose sum is σ = 30617993172. Its totient is φ = 30607227312.

The previous prime is 30612610199. The next prime is 30612610283. The reversal of 30612610241 is 14201621603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14201621603 = 131092432431.

It is an interprime number because it is at equal distance from previous prime (30612610199) and next prime (30612610283).

It can be written as a sum of positive squares in 2 ways, for example, as 2221708225 + 28390902016 = 47135^2 + 168496^2 .

It is a cyclic number.

It is not a de Polignac number, because 30612610241 - 26 = 30612610177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30612610241.

It is not an unprimeable number, because it can be changed into a prime (30612610291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682926 + ... + 2694311.

It is an arithmetic number, because the mean of its divisors is an integer number (7654498293).

Almost surely, 230612610241 is an apocalyptic number.

It is an amenable number.

30612610241 is a deficient number, since it is larger than the sum of its proper divisors (5382931).

30612610241 is an equidigital number, since it uses as much as digits as its factorization.

30612610241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382930.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 30612610241 in words is "thirty billion, six hundred twelve million, six hundred ten thousand, two hundred forty-one".

Divisors: 1 5693 5377237 30612610241