Search a number
-
+
30118698725 = 521204747949
BaseRepresentation
bin11100000011001101…
…101101111011100101
32212202000122102102012
4130003031231323211
5443140341324400
621500352124005
72114240500163
oct340315557345
985660572365
1030118698725
1111856247155
125a06836605
132abcb5492b
14165a106233
15bb4273d35
hex70336dee5

30118698725 has 6 divisors (see below), whose sum is σ = 37347186450. Its totient is φ = 24094958960.

The previous prime is 30118698713. The next prime is 30118698763. The reversal of 30118698725 is 52789681103.

It can be written as a sum of positive squares in 3 ways, for example, as 2488612996 + 27630085729 = 49886^2 + 166223^2 .

It is a de Polignac number, because none of the positive numbers 2k-30118698725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 602373950 + ... + 602373999.

It is an arithmetic number, because the mean of its divisors is an integer number (6224531075).

Almost surely, 230118698725 is an apocalyptic number.

It is an amenable number.

30118698725 is a deficient number, since it is larger than the sum of its proper divisors (7228487725).

30118698725 is a wasteful number, since it uses less digits than its factorization.

30118698725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204747959 (or 1204747954 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 30118698725 in words is "thirty billion, one hundred eighteen million, six hundred ninety-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 1204747949 6023739745 30118698725