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2030001011 = 20071101141
BaseRepresentation
bin111100011111111…
…0101101101110011
312020110210201212122
41320333311231303
513124140013021
6533233544455
7101206503203
oct17077655563
95213721778
102030001011
11951978895
12487a1512b
1326474c93c
14153868403
15bd33bbab
hex78ff5b73

2030001011 has 4 divisors (see below), whose sum is σ = 2030122224. Its totient is φ = 2029879800.

The previous prime is 2030000977. The next prime is 2030001037. The reversal of 2030001011 is 1101000302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101000302 = 2550500151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2030001011 is a prime.

It is a super-2 number, since 2×20300010112 = 8241808209322044242, which contains 22 as substring.

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 2030001011.

It is not an unprimeable number, because it can be changed into a prime (2030003011) 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, 30500 + ... + 70641.

It is an arithmetic number, because the mean of its divisors is an integer number (507530556).

Almost surely, 22030001011 is an apocalyptic number.

2030001011 is a deficient number, since it is larger than the sum of its proper divisors (121213).

2030001011 is a wasteful number, since it uses less digits than its factorization.

2030001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121212.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2030001011 is about 45055.5325237645. The cubic root of 2030001011 is about 1266.1896272052.

Adding to 2030001011 its reverse (1101000302), we get a palindrome (3131001313).

The spelling of 2030001011 in words is "two billion, thirty million, one thousand, eleven".

Divisors: 1 20071 101141 2030001011