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3011430030 = 235717382891
BaseRepresentation
bin1011001101111110…
…1100011010001110
321202212112111101120
42303133230122032
522131411230110
61214453221410
7134424506250
oct26337543216
97685474346
103011430030
111305967a54
12700631866
1338cb86c7b
14207d3dcd0
151295a0870
hexb37ec68e

3011430030 has 64 divisors (see below), whose sum is σ = 8307767808. Its totient is φ = 684339840.

The previous prime is 3011430007. The next prime is 3011430119. The reversal of 3011430030 is 300341103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 3011429991 and 3011430009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5116 + ... + 77775.

It is an arithmetic number, because the mean of its divisors is an integer number (129808872).

Almost surely, 23011430030 is an apocalyptic number.

3011430030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3011430030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4153883904).

3011430030 is an abundant number, since it is smaller than the sum of its proper divisors (5296337778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3011430030 is a wasteful number, since it uses less digits than its factorization.

3011430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83081.

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

The square root of 3011430030 is about 54876.4979749984. The cubic root of 3011430030 is about 1444.0789107640.

Adding to 3011430030 its reverse (300341103), we get a palindrome (3311771133).

The spelling of 3011430030 in words is "three billion, eleven million, four hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 173 210 346 519 865 1038 1211 1730 2422 2595 3633 5190 6055 7266 12110 18165 36330 82891 165782 248673 414455 497346 580237 828910 1160474 1243365 1740711 2486730 2901185 3481422 5802370 8703555 14340143 17407110 28680286 43020429 71700715 86040858 100381001 143401430 200762002 215102145 301143003 430204290 501905005 602286006 1003810010 1505715015 3011430030