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431111041212228 = 223131715115763110867
BaseRepresentation
bin110001000000101111101110…
…0011110000101111101000100
32002112102210221201000100010220
41202001133130132011331010
5423001310403022242403
64124521402255144340
7156543513330656316
oct14201373436057504
92075383851010126
10431111041212228
111154021907a4923
124042825b5150b0
131567279b08c130
147865c586197b6
1534c92c2d88953
hex18817dc785f44

431111041212228 has 384 divisors, whose sum is σ = 1163927568900096. Its totient is φ = 123023287296000.

The previous prime is 431111041212221. The next prime is 431111041212277. The reversal of 431111041212228 is 822212140111134.

It is not an unprimeable number, because it can be changed into a prime (431111041212221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39671572851 + ... + 39671583717.

It is an arithmetic number, because the mean of its divisors is an integer number (3031061377344).

Almost surely, 2431111041212228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431111041212228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581963784450048).

431111041212228 is an abundant number, since it is smaller than the sum of its proper divisors (732816527687868).

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

431111041212228 is a wasteful number, since it uses less digits than its factorization.

431111041212228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 431111041212228 in words is "four hundred thirty-one trillion, one hundred eleven billion, forty-one million, two hundred twelve thousand, two hundred twenty-eight".