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1102400000000 = 212581353
BaseRepresentation
bin10000000010101100001…
…010010001000000000000
310220101111011002101210122
4100002230022101000000
5121030203400000000
62202234025515412
7142434333251045
oct20025412210000
93811434071718
101102400000000
11395586073572
1215979b642b68
137cc57093c10
143b4dc1271cc
151da21527085
hex100ac291000

1102400000000 has 468 divisors, whose sum is σ = 3023629311276. Its totient is φ = 399360000000.

The previous prime is 1102399999979. The next prime is 1102400000011. The reversal of 1102400000000 is 42011.

It can be written as a sum of positive squares in 18 ways, for example, as 20533743616 + 1081866256384 = 143296^2 + 1040128^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20799999974 + ... + 20800000026.

Almost surely, 21102400000000 is an apocalyptic number.

1102400000000 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 1102400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511814655638).

1102400000000 is an abundant number, since it is smaller than the sum of its proper divisors (1921229311276).

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

1102400000000 is an frugal number, since it uses more digits than its factorization.

1102400000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 73 counting only the distinct ones).

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

Adding to 1102400000000 its reverse (42011), we get a palindrome (1102400042011).

The spelling of 1102400000000 in words is "one trillion, one hundred two billion, four hundred million", and thus it is an aban number.