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14440324431 = 3131451255179
BaseRepresentation
bin11010111001011010…
…11101110101001111
31101021101000111010210
431130231131311033
5214033210340211
610344522133503
71020562506141
oct153455356517
941241014123
1014440324431
116140206525
122970051293
1314918cb890
149adb76c91
15597b0e9a6
hex35cb5dd4f

14440324431 has 16 divisors (see below), whose sum is σ = 20749196160. Its totient is φ = 8880194400.

The previous prime is 14440324391. The next prime is 14440324441. The reversal of 14440324431 is 13442304441.

It is not a de Polignac number, because 14440324431 - 225 = 14406769999 is a prime.

It is a super-2 number, since 2×144403244312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440324441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71001 + ... + 184178.

It is an arithmetic number, because the mean of its divisors is an integer number (1296824760).

Almost surely, 214440324431 is an apocalyptic number.

14440324431 is a deficient number, since it is larger than the sum of its proper divisors (6308871729).

14440324431 is a wasteful number, since it uses less digits than its factorization.

14440324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256646.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 14440324431 its reverse (13442304441), we get a palindrome (27882628872).

The spelling of 14440324431 in words is "fourteen billion, four hundred forty million, three hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 13 39 1451 4353 18863 56589 255179 765537 3317327 9951981 370264729 1110794187 4813441477 14440324431