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101210020200 = 233252174376919
BaseRepresentation
bin101111001000010010…
…1100101100101101000
3100200020111111201220200
41132100211211211220
53124234231121300
6114254545552200
710212035656122
oct1362045454550
9320214451820
10101210020200
1139a174661a3
1217747045660
13970c401a23
144c81a3c212
1529755a4200
hex1790965968

101210020200 has 288 divisors, whose sum is σ = 368265268800. Its totient is φ = 24810670080.

The previous prime is 101210020159. The next prime is 101210020207. The reversal of 101210020200 is 2020012101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101210020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1277341 + ... + 1354259.

It is an arithmetic number, because the mean of its divisors is an integer number (1278698850).

Almost surely, 2101210020200 is an apocalyptic number.

101210020200 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 101210020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184132634400).

101210020200 is an abundant number, since it is smaller than the sum of its proper divisors (267055248600).

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

101210020200 is a wasteful number, since it uses less digits than its factorization.

101210020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77001 (or 76989 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101210020200 its reverse (2020012101), we get a palindrome (103230032301).

The spelling of 101210020200 in words is "one hundred one billion, two hundred ten million, twenty thousand, two hundred".