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101210210200 = 235211103446647
BaseRepresentation
bin101111001000010011…
…0010011111110011000
3100200020111212101112201
41132100212103332120
53124234303211300
6114254554015544
710212040410061
oct1362046237630
9320214771481
10101210210200
1139a17585a20
12177471175b4
13970c46a358
144c81a8b568
1529755e066a
hex1790993f98

101210210200 has 96 divisors (see below), whose sum is σ = 259198767360. Its totient is φ = 36446313600.

The previous prime is 101210210161. The next prime is 101210210207. The reversal of 101210210200 is 2012012101.

It is a super-4 number, since 4×1012102102004 (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210210207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3277 + ... + 449923.

It is an arithmetic number, because the mean of its divisors is an integer number (2699987160).

Almost surely, 2101210210200 is an apocalyptic number.

101210210200 is a gapful number since it is divisible by the number (10) 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 101210210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129599383680).

101210210200 is an abundant number, since it is smaller than the sum of its proper divisors (157988557160).

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

101210210200 is a wasteful number, since it uses less digits than its factorization.

101210210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446777 (or 446768 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101210210200 its reverse (2012012101), we get a palindrome (103222222301).

The spelling of 101210210200 in words is "one hundred one billion, two hundred ten million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 103 110 200 206 220 275 412 440 515 550 824 1030 1100 1133 2060 2200 2266 2575 4120 4532 5150 5665 9064 10300 11330 20600 22660 28325 45320 56650 113300 226600 446647 893294 1786588 2233235 3573176 4466470 4913117 8932940 9826234 11166175 17865880 19652468 22332350 24565585 39304936 44664700 46004641 49131170 89329400 92009282 98262340 122827925 184018564 196524680 230023205 245655850 368037128 460046410 491311700 506051051 920092820 982623400 1012102102 1150116025 1840185640 2024204204 2300232050 2530255255 4048408408 4600464100 5060510510 9200928200 10121021020 12651276275 20242042040 25302552550 50605105100 101210210200