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403230444012 = 22321119672333433
BaseRepresentation
bin1011101111000100110…
…10000100100111101100
31102112210211012221002100
411313202122010213230
523101303443202022
6505124055455100
741063266136064
oct5674232044754
91375724187070
10403230444012
11146011089840
1266195087490
132c0419a8c86
14157332343a4
15a75030c1ac
hex5de26849ec

403230444012 has 288 divisors, whose sum is σ = 1193377086720. Its totient is φ = 113509693440.

The previous prime is 403230443969. The next prime is 403230444037. The reversal of 403230444012 is 210444032304.

It is a happy number.

It is a super-2 number, since 2×4032304440122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117455448 + ... + 117458880.

It is an arithmetic number, because the mean of its divisors is an integer number (4143670440).

Almost surely, 2403230444012 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 403230444012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596688543360).

403230444012 is an abundant number, since it is smaller than the sum of its proper divisors (790146642708).

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

403230444012 is a wasteful number, since it uses less digits than its factorization.

403230444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 403230444012 its reverse (210444032304), we get a palindrome (613674476316).

The spelling of 403230444012 in words is "four hundred three billion, two hundred thirty million, four hundred forty-four thousand, twelve".