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23418393890112 = 26341321910912907
BaseRepresentation
bin1010101001100100001010…
…00011001000110101000000
310001220202222010122120210000
411110302011003020311000
511032141332313440422
6121450132302440000
74634631426455544
oct524620503106500
9101822863576700
1023418393890112
11750975991aa91
122762784893000
13100b464164b00
145ad656197a24
152a9275c34cac
hex154c850c8d40

23418393890112 has 840 divisors, whose sum is σ = 79858623213600. Its totient is φ = 6763262717952.

The previous prime is 23418393890051. The next prime is 23418393890147. The reversal of 23418393890112 is 21109839381432.

23418393890112 is a `hidden beast` number, since 2 + 3 + 418 + 39 + 3 + 89 + 0 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1814388363 + ... + 1814401269.

It is an arithmetic number, because the mean of its divisors is an integer number (95069789540).

Almost surely, 223418393890112 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 23418393890112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39929311606800).

23418393890112 is an abundant number, since it is smaller than the sum of its proper divisors (56440229323488).

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

23418393890112 is a wasteful number, since it uses less digits than its factorization.

23418393890112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13053 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 23418393890112 in words is "twenty-three trillion, four hundred eighteen billion, three hundred ninety-three million, eight hundred ninety thousand, one hundred twelve".