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2030025013 = 5189391217
BaseRepresentation
bin111100011111111…
…1011100100110101
312020110211221210121
41320333323210311
513124141300023
6533234251541
7101206633162
oct17077734465
95213757717
102030025013
11951994925
12487a26bb1
1326475a843
14153873069
15bd343d5d
hex78ffb935

2030025013 has 4 divisors (see below), whose sum is σ = 2030421420. Its totient is φ = 2029628608.

The previous prime is 2030025007. The next prime is 2030025059. The reversal of 2030025013 is 3105200302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3105200302 = 21552600151.

It can be written as a sum of positive squares in 2 ways, for example, as 1124797444 + 905227569 = 33538^2 + 30087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2030025013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030025713) 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, 190420 + ... + 200797.

It is an arithmetic number, because the mean of its divisors is an integer number (507605355).

Almost surely, 22030025013 is an apocalyptic number.

It is an amenable number.

2030025013 is a deficient number, since it is larger than the sum of its proper divisors (396407).

2030025013 is an equidigital number, since it uses as much as digits as its factorization.

2030025013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396406.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2030025013 is about 45055.7988831626. The cubic root of 2030025013 is about 1266.1946175088.

Adding to 2030025013 its reverse (3105200302), we get a palindrome (5135225315).

The spelling of 2030025013 in words is "two billion, thirty million, twenty-five thousand, thirteen".

Divisors: 1 5189 391217 2030025013