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2021130300 = 2235274192297
BaseRepresentation
bin111100001111000…
…0000000000111100
312012212010001112210
41320132000000330
513114402132200
6532315500420
7101041216110
oct17036000074
95185101483
102021130300
1194796a122
12484a57710
132629650b7
141525d9740
15bc688650
hex7878003c

2021130300 has 144 divisors (see below), whose sum is σ = 6702071040. Its totient is φ = 460669440.

The previous prime is 2021130299. The next prime is 2021130337. The reversal of 2021130300 is 30311202.

It is a happy number.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 878752 + ... + 881048.

It is an arithmetic number, because the mean of its divisors is an integer number (46542160).

Almost surely, 22021130300 is an apocalyptic number.

2021130300 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 2021130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351035520).

2021130300 is an abundant number, since it is smaller than the sum of its proper divisors (4680940740).

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

2021130300 is a wasteful number, since it uses less digits than its factorization.

2021130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2733 counting only the distinct ones).

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

The square root of 2021130300 is about 44956.9827724237. The cubic root of 2021130300 is about 1264.3425997760.

Adding to 2021130300 its reverse (30311202), we get a palindrome (2051441502).

The spelling of 2021130300 in words is "two billion, twenty-one million, one hundred thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 419 420 525 700 838 1050 1257 1676 2095 2100 2297 2514 2933 4190 4594 5028 5866 6285 6891 8380 8799 9188 10475 11485 11732 12570 13782 14665 16079 17598 20950 22970 25140 27564 29330 31425 32158 34455 35196 41900 43995 45940 48237 57425 58660 62850 64316 68910 73325 80395 87990 96474 114850 125700 137820 146650 160790 172275 175980 192948 219975 229700 241185 293300 321580 344550 401975 439950 482370 689100 803950 879900 962443 964740 1205925 1607900 1924886 2411850 2887329 3849772 4812215 4823700 5774658 6737101 9624430 11549316 13474202 14436645 19248860 20211303 24061075 26948404 28873290 33685505 40422606 48122150 57746580 67371010 72183225 80845212 96244300 101056515 134742020 144366450 168427525 202113030 288732900 336855050 404226060 505282575 673710100 1010565150 2021130300