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13111341304040 = 23572131317161087
BaseRepresentation
bin1011111011001011100011…
…0101110100100011101000
31201102102122220210210212222
42332302320311310203220
53204304011333212130
643515133403053212
72522156155151300
oct276627065644350
951372586723788
1013111341304040
1141a5541399441
121579095811208
13741518022545
143348413dc600
1517b0c93ccce5
hexbecb8d748e8

13111341304040 has 192 divisors, whose sum is σ = 34688187325440. Its totient is φ = 4446901455360.

The previous prime is 13111341304003. The next prime is 13111341304057. The reversal of 13111341304040 is 4040314311131.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81312377 + ... + 81473463.

It is an arithmetic number, because the mean of its divisors is an integer number (180667642320).

Almost surely, 213111341304040 is an apocalyptic number.

13111341304040 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 13111341304040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17344093662720).

13111341304040 is an abundant number, since it is smaller than the sum of its proper divisors (21576846021400).

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

13111341304040 is a wasteful number, since it uses less digits than its factorization.

13111341304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161560 (or 161549 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13111341304040 its reverse (4040314311131), we get a palindrome (17151655615171).

The spelling of 13111341304040 in words is "thirteen trillion, one hundred eleven billion, three hundred forty-one million, three hundred four thousand, forty".