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2225111212400 = 24525562778031
BaseRepresentation
bin100000011000010010111…
…101101010000101110000
321212201101211022022000012
4200120102331222011300
5242424011432244100
64422111343314052
7316521221144606
oct40302275520560
97781354268005
102225111212400
117887342a858a
122bb2a92ab928
13131a9a157bbb
14799a59c7876
153cd30c91135
hex20612f6a170

2225111212400 has 30 divisors (see below), whose sum is σ = 5345829688752. Its totient is φ = 890044484800.

The previous prime is 2225111212393. The next prime is 2225111212403. The reversal of 2225111212400 is 42121115222.

It is a super-2 number, since 2×22251112124002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225111212403) 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 5 ways as a sum of consecutive naturals, for example, 2781388616 + ... + 2781389415.

Almost surely, 22225111212400 is an apocalyptic number.

2225111212400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225111212400 is an abundant number, since it is smaller than the sum of its proper divisors (3120718476352).

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

2225111212400 is a wasteful number, since it uses less digits than its factorization.

2225111212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562778049 (or 5562778038 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 2225111212400 its reverse (42121115222), we get a palindrome (2267232327622).

The spelling of 2225111212400 in words is "two trillion, two hundred twenty-five billion, one hundred eleven million, two hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 5562778031 11125556062 22251112124 27813890155 44502224248 55627780310 89004448496 111255560620 139069450775 222511121240 278138901550 445022242480 556277803100 1112555606200 2225111212400