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20301321300 = 22352135205467
BaseRepresentation
bin10010111010000011…
…011001010001010100
31221101211111222100220
4102322003121101110
5313034114240200
613154251434340
71316041245441
oct227203312124
957354458326
1020301321300
118678626197
123b26a559b0
131bb6c48c70
14da83209c8
157dc43b4a0
hex4ba0d9454

20301321300 has 72 divisors (see below), whose sum is σ = 63256847136. Its totient is φ = 4997247360.

The previous prime is 20301321253. The next prime is 20301321317. The reversal of 20301321300 is 312310302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20301321300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2598834 + ... + 2606633.

Almost surely, 220301321300 is an apocalyptic number.

20301321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301321300 is an abundant number, since it is smaller than the sum of its proper divisors (42955525836).

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

20301321300 is a wasteful number, since it uses less digits than its factorization.

20301321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205497 (or 5205490 counting only the distinct ones).

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

Adding to 20301321300 its reverse (312310302), we get a palindrome (20613631602).

The spelling of 20301321300 in words is "twenty billion, three hundred one million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1300 1950 3900 5205467 10410934 15616401 20821868 26027335 31232802 52054670 62465604 67671071 78082005 104109340 130136675 135342142 156164010 203013213 260273350 270684284 312328020 338355355 390410025 406026426 520546700 676710710 780820050 812052852 1015066065 1353421420 1561640100 1691776775 2030132130 3383553550 4060264260 5075330325 6767107100 10150660650 20301321300