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244134425431 = 133111121723
BaseRepresentation
bin1110001101011110001…
…0111011001101010111
3212100011010222210110201
43203113202323031113
512444441403103211
6304053120001331
723431610243161
oct3432742731527
9770133883421
10244134425431
119459a578266
123b394160247
131a038acb000
14bb5d7d5931
15653cdd60c1
hex38d78bb357

244134425431 has 8 divisors (see below), whose sum is σ = 264469703120. Its totient is φ = 225354852216.

The previous prime is 244134425413. The next prime is 244134425449. The reversal of 244134425431 is 134524431442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (244134425413) and next prime (244134425449).

It is not a de Polignac number, because 244134425431 - 231 = 241986941783 is a prime.

It is a super-2 number, since 2×2441344254312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244134425461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55558665 + ... + 55563058.

It is an arithmetic number, because the mean of its divisors is an integer number (33058712890).

Almost surely, 2244134425431 is an apocalyptic number.

244134425431 is a deficient number, since it is larger than the sum of its proper divisors (20335277689).

244134425431 is an equidigital number, since it uses as much as digits as its factorization.

244134425431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111121762 (or 111121736 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 244134425431 its reverse (134524431442), we get a palindrome (378658856873).

The spelling of 244134425431 in words is "two hundred forty-four billion, one hundred thirty-four million, four hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 13 169 2197 111121723 1444582399 18779571187 244134425431