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101200311200 = 2552126500389
BaseRepresentation
bin101111001000000000…
…0100011001110100000
3100200012211020110200002
41132100000203032200
53124224234424300
6114254001515132
710211560311032
oct1362000431640
9320184213602
10101200311200
1139a11a3472a
1217743942aa8
13970a3b2761
144c80631c52
1529747d75d5
hex17900233a0

101200311200 has 36 divisors (see below), whose sum is σ = 247055261670. Its totient is φ = 40480124160.

The previous prime is 101200311161. The next prime is 101200311203. The reversal of 101200311200 is 2113002101.

It can be written as a sum of positive squares in 3 ways, for example, as 93535658896 + 7664652304 = 305836^2 + 87548^2 .

It is not an unprimeable number, because it can be changed into a prime (101200311203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63249395 + ... + 63250994.

Almost surely, 2101200311200 is an apocalyptic number.

101200311200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200311200 is an abundant number, since it is smaller than the sum of its proper divisors (145854950470).

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

101200311200 is a wasteful number, since it uses less digits than its factorization.

101200311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126500409 (or 126500396 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101200311200 its reverse (2113002101), we get a palindrome (103313313301).

The spelling of 101200311200 in words is "one hundred one billion, two hundred million, three hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 126500389 253000778 506001556 632501945 1012003112 1265003890 2024006224 2530007780 3162509725 4048012448 5060015560 6325019450 10120031120 12650038900 20240062240 25300077800 50600155600 101200311200