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13112314140 = 22354179109619
BaseRepresentation
bin11000011011000111…
…00000100100011100
31020211211010120111110
430031203200210130
5203323223023030
610005042222020
7642635555052
oct141543404434
936754116443
1013112314140
115619617762
12265b354910
13130c737483
148c56441d2
1551b23a1b0
hex30d8e091c

13112314140 has 192 divisors, whose sum is σ = 38497536000. Its totient is φ = 3331860480.

The previous prime is 13112314123. The next prime is 13112314199. The reversal of 13112314140 is 4141321131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21182751 + ... + 21183369.

It is an arithmetic number, because the mean of its divisors is an integer number (200508000).

Almost surely, 213112314140 is an apocalyptic number.

13112314140 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 13112314140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19248768000).

13112314140 is an abundant number, since it is smaller than the sum of its proper divisors (25385221860).

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

13112314140 is a wasteful number, since it uses less digits than its factorization.

13112314140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13112314140 its reverse (4141321131), we get a palindrome (17253635271).

The spelling of 13112314140 in words is "thirteen billion, one hundred twelve million, three hundred fourteen thousand, one hundred forty".