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2030013111 = 37213809613
BaseRepresentation
bin111100011111111…
…1000101010110111
312020110211100110210
41320333320222313
513124140404421
6533234120503
7101206553400
oct17077705267
95213740423
102030013111
11951986995
12487a20133
132647552b9
1415386c9a7
15bd340576
hex78ff8ab7

2030013111 has 12 divisors (see below), whose sum is σ = 3148591992. Its totient is φ = 1160007408.

The previous prime is 2030013109. The next prime is 2030013119. The reversal of 2030013111 is 1113100302.

It is not a de Polignac number, because 2030013111 - 21 = 2030013109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030013119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6904660 + ... + 6904953.

It is an arithmetic number, because the mean of its divisors is an integer number (262382666).

Almost surely, 22030013111 is an apocalyptic number.

2030013111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2030013111 is a deficient number, since it is larger than the sum of its proper divisors (1118578881).

2030013111 is a wasteful number, since it uses less digits than its factorization.

2030013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809630 (or 13809623 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2030013111 is about 45055.6668023014. Note that the first 3 decimals coincide. The cubic root of 2030013111 is about 1266.1921429452.

Adding to 2030013111 its reverse (1113100302), we get a palindrome (3143113413).

It can be divided in two parts, 20300 and 13111, that added together give a triangular number (33411 = T258).

The spelling of 2030013111 in words is "two billion, thirty million, thirteen thousand, one hundred eleven".

Divisors: 1 3 7 21 49 147 13809613 41428839 96667291 290001873 676671037 2030013111