Search a number
-
+
2030312013 = 319398669
BaseRepresentation
bin111100100000100…
…0001101001001101
312020111101112111020
41321001001221031
513124224441023
6533244344353
7101212240002
oct17101015115
95214345436
102030312013
11952070514
12487b450b9
1326482b372
141539098a9
15bd39dde3
hex79041a4d

2030312013 has 16 divisors (see below), whose sum is σ = 2857483200. Its totient is φ = 1282289328.

The previous prime is 2030311991. The next prime is 2030312017. The reversal of 2030312013 is 3102130302.

It is not a de Polignac number, because 2030312013 - 25 = 2030311981 is a prime.

It is a super-2 number, since 2×20303120132 = 8244333740264224338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2030311983 and 2030312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030312017) 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 15 ways as a sum of consecutive naturals, for example, 28758 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (178592700).

Almost surely, 22030312013 is an apocalyptic number.

It is an amenable number.

2030312013 is a deficient number, since it is larger than the sum of its proper divisors (827171187).

2030312013 is an frugal number, since it uses more digits than its factorization.

2030312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98729 (or 98691 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2030312013 is about 45058.9837102436. The cubic root of 2030312013 is about 1266.2542852023.

Adding to 2030312013 its reverse (3102130302), we get a palindrome (5132442315).

The spelling of 2030312013 in words is "two billion, thirty million, three hundred twelve thousand, thirteen".

Divisors: 1 3 19 57 361 1083 6859 20577 98669 296007 1874711 5624133 35619509 106858527 676770671 2030312013