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244223202431 = 13292027319589
BaseRepresentation
bin1110001101110011010…
…1100101010001111111
3212100101100001010121202
43203130311211101333
513000132114434211
6304110010450115
723434035653225
oct3433465452177
9770340033552
10244223202431
11946356a378a
123b3b9a3393b
131a051312390
14bb6b504b15
156545ac053b
hex38dcd6547f

244223202431 has 16 divisors (see below), whose sum is σ = 272213978400. Its totient is φ = 217555056768.

The previous prime is 244223202407. The next prime is 244223202469. The reversal of 244223202431 is 134202322442.

It is a cyclic number.

It is not a de Polignac number, because 244223202431 - 222 = 244219008127 is a prime.

It is a super-2 number, since 2×2442232024312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 244223202394 and 244223202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244223202401) 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 15 ways as a sum of consecutive naturals, for example, 604385 + ... + 923973.

It is an arithmetic number, because the mean of its divisors is an integer number (17013373650).

Almost surely, 2244223202431 is an apocalyptic number.

244223202431 is a deficient number, since it is larger than the sum of its proper divisors (27990775969).

244223202431 is a wasteful number, since it uses less digits than its factorization.

244223202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321658.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 244223202431 its reverse (134202322442), we get a palindrome (378425524873).

The spelling of 244223202431 in words is "two hundred forty-four billion, two hundred twenty-three million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 13 29 377 2027 26351 58783 319589 764179 4154657 9268081 120485053 647806903 8421489739 18786400187 244223202431