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14453220431 = 131111786187
BaseRepresentation
bin11010111010111101…
…01010010001001111
31101022021021200010102
431131132222101033
5214100011023211
610350102401315
71021110226616
oct153536522117
941267250112
1014453220431
116147514481
12297443023b
131494495650
149b177287d
15598d0aa3b
hex35d7aa44f

14453220431 has 4 divisors (see below), whose sum is σ = 15565006632. Its totient is φ = 13341434232.

The previous prime is 14453220421. The next prime is 14453220449. The reversal of 14453220431 is 13402235441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14453220431 - 214 = 14453204047 is a prime.

It is a super-2 number, since 2×144532204312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14453220394 and 14453220403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14453220421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555893081 + ... + 555893106.

It is an arithmetic number, because the mean of its divisors is an integer number (3891251658).

Almost surely, 214453220431 is an apocalyptic number.

14453220431 is a deficient number, since it is larger than the sum of its proper divisors (1111786201).

14453220431 is a wasteful number, since it uses less digits than its factorization.

14453220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111786200.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 14453220431 its reverse (13402235441), we get a palindrome (27855455872).

The spelling of 14453220431 in words is "fourteen billion, four hundred fifty-three million, two hundred twenty thousand, four hundred thirty-one".

Divisors: 1 13 1111786187 14453220431