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244102111440 = 243511238114957
BaseRepresentation
bin1110001101010110011…
…1101010000011010000
3212100001220012002000020
43203111213222003100
512444410120031230
6304050003223440
723431035466245
oct3432547520320
9770056162006
10244102111440
1194583307290
123b385377b80
131a0321c59c5
14bb593c35cc
15653a151810
hex38d59ea0d0

244102111440 has 320 divisors, whose sum is σ = 862636787712. Its totient is φ = 56522188800.

The previous prime is 244102111411. The next prime is 244102111441. The reversal of 244102111440 is 44111201442.

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

It is a self number, because there is not a number n which added to its sum of digits gives 244102111440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244102111441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49241442 + ... + 49246398.

Almost surely, 2244102111440 is an apocalyptic number.

244102111440 is a gapful number since it is divisible by the number (20) 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 244102111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431318393856).

244102111440 is an abundant number, since it is smaller than the sum of its proper divisors (618534676272).

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

244102111440 is a wasteful number, since it uses less digits than its factorization.

244102111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 244102111440 its reverse (44111201442), we get a palindrome (288213312882).

The spelling of 244102111440 in words is "two hundred forty-four billion, one hundred two million, one hundred eleven thousand, four hundred forty".