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20303130300 = 22352412716091
BaseRepresentation
bin10010111010001010…
…010010111010111100
31221101221220212211220
4102322022102322330
5313040100132200
613154354313340
71316062521465
oct227212227274
957357825756
1020303130300
118679651332
123b27588850
131bb743048b
14da8671d6c
157dc6974a0
hex4ba292ebc

20303130300 has 144 divisors (see below), whose sum is σ = 60408466944. Its totient is φ = 5261760000.

The previous prime is 20303130283. The next prime is 20303130301. The reversal of 20303130300 is 303130302.

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 20303130300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303130301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3330255 + ... + 3336345.

Almost surely, 220303130300 is an apocalyptic number.

20303130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30204233472).

20303130300 is an abundant number, since it is smaller than the sum of its proper divisors (40105336644).

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

20303130300 is a wasteful number, since it uses less digits than its factorization.

20303130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20303130300 its reverse (303130302), we get a palindrome (20606260602).

The spelling of 20303130300 in words is "twenty billion, three hundred three million, one hundred thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 41 50 60 75 82 100 123 150 164 205 246 271 300 410 492 542 615 813 820 1025 1084 1230 1355 1626 2050 2460 2710 3075 3252 4065 4100 5420 6091 6150 6775 8130 11111 12182 12300 13550 16260 18273 20325 22222 24364 27100 30455 33333 36546 40650 44444 55555 60910 66666 73092 81300 91365 111110 121820 133332 152275 166665 182730 222220 249731 277775 304550 333330 365460 456825 499462 555550 609100 666660 749193 833325 913650 998924 1111100 1248655 1498386 1650661 1666650 1827300 2497310 2996772 3301322 3333300 3745965 4951983 4994620 6243275 6602644 7491930 8253305 9903966 12486550 14983860 16506610 18729825 19807932 24759915 24973100 33013220 37459650 41266525 49519830 67677101 74919300 82533050 99039660 123799575 135354202 165066100 203031303 247599150 270708404 338385505 406062606 495198300 676771010 812125212 1015156515 1353542020 1691927525 2030313030 3383855050 4060626060 5075782575 6767710100 10151565150 20303130300