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14240545431 = 371739889483
BaseRepresentation
bin11010100001100110…
…10111101010010111
31100202110002122212120
431100303113222113
5213131034423211
610313024151023
71012615432110
oct152063275227
940673078776
1014240545431
116048464612
122915168473
13145c3c1058
14991411207
155852ead06
hex350cd7a97

14240545431 has 16 divisors (see below), whose sum is σ = 22976342784. Its totient is φ = 7658780544.

The previous prime is 14240545421. The next prime is 14240545447. The reversal of 14240545431 is 13454504241.

It is a happy number.

It is not a de Polignac number, because 14240545431 - 29 = 14240544919 is a prime.

It is a super-2 number, since 2×142405454312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14240545392 and 14240545401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14240545411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19944385 + ... + 19945098.

It is an arithmetic number, because the mean of its divisors is an integer number (1436021424).

Almost surely, 214240545431 is an apocalyptic number.

14240545431 is a deficient number, since it is larger than the sum of its proper divisors (8735797353).

14240545431 is a wasteful number, since it uses less digits than its factorization.

14240545431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39889510.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 14240545431 in words is "fourteen billion, two hundred forty million, five hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 3 7 17 21 51 119 357 39889483 119668449 279226381 678121211 837679143 2034363633 4746848477 14240545431