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14424740081 = 132110919561
BaseRepresentation
bin11010110111100100…
…00001000011110001
31101020021200201102122
431123302001003301
5214020213140311
610343204124025
71020313160543
oct153362010361
941207621378
1014424740081
1161324317a4
122966996615
13148b60327b
149aba7b693
155965820db
hex35bc810f1

14424740081 has 4 divisors (see below), whose sum is σ = 14435660964. Its totient is φ = 14413819200.

The previous prime is 14424740051. The next prime is 14424740087. The reversal of 14424740081 is 18004742441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18004742441 = 72572106063.

It can be written as a sum of positive squares in 2 ways, for example, as 9843616225 + 4581123856 = 99215^2 + 67684^2 .

It is a cyclic number.

It is not a de Polignac number, because 14424740081 - 226 = 14357631217 is a prime.

It is a super-2 number, since 2×144247400812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14424740087) 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, 5458460 + ... + 5461101.

It is an arithmetic number, because the mean of its divisors is an integer number (3608915241).

Almost surely, 214424740081 is an apocalyptic number.

It is an amenable number.

14424740081 is a deficient number, since it is larger than the sum of its proper divisors (10920883).

14424740081 is a wasteful number, since it uses less digits than its factorization.

14424740081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920882.

The product of its (nonzero) digits is 28672, while the sum is 35.

The spelling of 14424740081 in words is "fourteen billion, four hundred twenty-four million, seven hundred forty thousand, eighty-one".

Divisors: 1 1321 10919561 14424740081