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2101343200 = 255211238789
BaseRepresentation
bin111110100111111…
…1111001111100000
312102110001021221221
41331033333033200
513300420440300
6544303024424
7103034060005
oct17517771740
95373037857
102101343200
11989176280
124a789b114
1327646b358
1415d1198ac
15c473031a
hex7d3ff3e0

2101343200 has 72 divisors (see below), whose sum is σ = 5596282440. Its totient is φ = 764121600.

The previous prime is 2101343197. The next prime is 2101343201. The reversal of 2101343200 is 23431012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101343201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110595 + ... + 128194.

It is an arithmetic number, because the mean of its divisors is an integer number (77726145).

Almost surely, 22101343200 is an apocalyptic number.

2101343200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101343200 is an abundant number, since it is smaller than the sum of its proper divisors (3494939240).

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

2101343200 is a wasteful number, since it uses less digits than its factorization.

2101343200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238820 (or 238807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2101343200 is about 45840.4101203294. The cubic root of 2101343200 is about 1280.8521344056.

Adding to 2101343200 its reverse (23431012), we get a palindrome (2124774212).

The spelling of 2101343200 in words is "two billion, one hundred one million, three hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 8800 238789 477578 955156 1193945 1910312 2387890 2626679 3820624 4775780 5253358 5969725 7641248 9551560 10506716 11939450 13133395 19103120 21013432 23878900 26266790 38206240 42026864 47757800 52533580 65666975 84053728 95515600 105067160 131333950 191031200 210134320 262667900 420268640 525335800 1050671600 2101343200