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30021130200 = 23352470310639
BaseRepresentation
bin11011111101011001…
…100001011111011000
32212111020001102120010
4123331121201133120
5442440402131300
621442545001520
72111644252635
oct337531413730
985436042503
1030021130200
1111806166506
12599a0232a0
132aa5882a89
14164b18918c
15baa8eea50
hex6fd6617d8

30021130200 has 96 divisors (see below), whose sum is σ = 93094041600. Its totient is φ = 8003180160.

The previous prime is 30021130151. The next prime is 30021130201. The reversal of 30021130200 is 203112003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021130201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2816481 + ... + 2827119.

It is an arithmetic number, because the mean of its divisors is an integer number (969729600).

Almost surely, 230021130200 is an apocalyptic number.

30021130200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30021130200 is an abundant number, since it is smaller than the sum of its proper divisors (63072911400).

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

30021130200 is a wasteful number, since it uses less digits than its factorization.

30021130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15361 (or 15352 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30021130200 its reverse (203112003), we get a palindrome (30224242203).

The spelling of 30021130200 in words is "thirty billion, twenty-one million, one hundred thirty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 4703 9406 10639 14109 18812 21278 23515 28218 31917 37624 42556 47030 53195 56436 63834 70545 85112 94060 106390 112872 117575 127668 141090 159585 188120 212780 235150 255336 265975 282180 319170 352725 425560 470300 531950 564360 638340 705450 797925 940600 1063900 1276680 1410900 1595850 2127800 2821800 3191700 6383400 50035217 100070434 150105651 200140868 250176085 300211302 400281736 500352170 600422604 750528255 1000704340 1200845208 1250880425 1501056510 2001408680 2501760850 3002113020 3752641275 5003521700 6004226040 7505282550 10007043400 15010565100 30021130200