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14540440463 = 23539617717
BaseRepresentation
bin11011000101010110…
…11000001110001111
31101112100101220111222
431202223120032033
5214234323043323
610402500033555
71023216463463
oct154253301617
941470356458
1014540440463
11619177714a
1229996928bb
1314a9583133
149bd1984a3
155a17d89c8
hex362ad838f

14540440463 has 4 divisors (see below), whose sum is σ = 14541081720. Its totient is φ = 14539799208.

The previous prime is 14540440451. The next prime is 14540440483. The reversal of 14540440463 is 36404404541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36404404541 = 61958811639.

It is a cyclic number.

It is not a de Polignac number, because 14540440463 - 212 = 14540436367 is a prime.

It is a super-2 number, since 2×145404404632 (a number of 21 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 (14540440423) 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, 285320 + ... + 332397.

It is an arithmetic number, because the mean of its divisors is an integer number (3635270430).

Almost surely, 214540440463 is an apocalyptic number.

14540440463 is a deficient number, since it is larger than the sum of its proper divisors (641257).

14540440463 is an equidigital number, since it uses as much as digits as its factorization.

14540440463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641256.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 14540440463 in words is "fourteen billion, five hundred forty million, four hundred forty thousand, four hundred sixty-three".

Divisors: 1 23539 617717 14540440463