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10001111201200 = 2452787719132129
BaseRepresentation
bin1001000110001001000010…
…1011100011010110110000
31022102002121122011010022101
42101202100223203112300
52302324233431414300
633134240321550144
72051361600402040
oct221422053432660
938362548133271
1010001111201200
1132064a15a9a19
121156347aa5354
1357714042b722
142680b0945720
1512524278cb6a
hex91890ae35b0

10001111201200 has 240 divisors, whose sum is σ = 27518795916480. Its totient is φ = 3421644226560.

The previous prime is 10001111201171. The next prime is 10001111201209. The reversal of 10001111201200 is 210211110001.

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

It is not an unprimeable number, because it can be changed into a prime (10001111201209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4697561736 + ... + 4697563864.

It is an arithmetic number, because the mean of its divisors is an integer number (114661649652).

Almost surely, 210001111201200 is an apocalyptic number.

10001111201200 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 10001111201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13759397958240).

10001111201200 is an abundant number, since it is smaller than the sum of its proper divisors (17517684715280).

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

10001111201200 is a wasteful number, since it uses less digits than its factorization.

10001111201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10001111201200 its reverse (210211110001), we get a palindrome (10211322311201).

The spelling of 10001111201200 in words is "ten trillion, one billion, one hundred eleven million, two hundred one thousand, two hundred".