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13113222011232 = 2537431181384257
BaseRepresentation
bin1011111011010010100011…
…1100001001100101100000
31201102121111222200122010220
42332310220330021211200
53204321334313324412
643520044145123040
72522253602665530
oct276645074114540
951377458618126
1013113222011232
1141a6316a67602
12157951b629480
1374175785c835
1433497d0c34c0
1517b18957968c
hexbed28f09960

13113222011232 has 192 divisors, whose sum is σ = 40288731969024. Its totient is φ = 3656395653120.

The previous prime is 13113222011231. The next prime is 13113222011251. The reversal of 13113222011232 is 23211022231131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113222011231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33934048 + ... + 34318304.

It is an arithmetic number, because the mean of its divisors is an integer number (209837145672).

Almost surely, 213113222011232 is an apocalyptic number.

13113222011232 is a gapful number since it is divisible by the number (12) 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 13113222011232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20144365984512).

13113222011232 is an abundant number, since it is smaller than the sum of its proper divisors (27175509957792).

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

13113222011232 is a wasteful number, since it uses less digits than its factorization.

13113222011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385501 (or 385493 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13113222011232 its reverse (23211022231131), we get a palindrome (36324244242363).

The spelling of 13113222011232 in words is "thirteen trillion, one hundred thirteen billion, two hundred twenty-two million, eleven thousand, two hundred thirty-two".