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12103102411400 = 23527111324650389
BaseRepresentation
bin1011000000011111100100…
…0111101011001010001000
31120212001020000110021102002
42300013321013223022020
53041244123204131100
641424031040330132
72356264106031140
oct260077107531210
946761200407362
1012103102411400
113946995869570
1214357b4613948
1369a418b8cb00
142dbb16aa3920
1515ec696cd2d5
hexb01f91eb288

12103102411400 has 288 divisors, whose sum is σ = 37989593956800. Its totient is φ = 3482210534400.

The previous prime is 12103102411381. The next prime is 12103102411417. The reversal of 12103102411400 is 411420130121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 277406 + ... + 4927794.

It is an arithmetic number, because the mean of its divisors is an integer number (131908312350).

Almost surely, 212103102411400 is an apocalyptic number.

12103102411400 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 12103102411400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18994796978400).

12103102411400 is an abundant number, since it is smaller than the sum of its proper divisors (25886491545400).

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

12103102411400 is a wasteful number, since it uses less digits than its factorization.

12103102411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650449 (or 4650427 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12103102411400 its reverse (411420130121), we get a palindrome (12514522541521).

The spelling of 12103102411400 in words is "twelve trillion, one hundred three billion, one hundred two million, four hundred eleven thousand, four hundred".