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2144732663 = 4135751859
BaseRepresentation
bin111111111010110…
…0000010111110111
312112110200201010002
41333311200113313
513343022421123
6552453021515
7104101632623
oct17765402767
95473621102
102144732663
11a00711437
124ba32489b
132824508a8
14164bb2183
15c8451528
hex7fd605f7

2144732663 has 4 divisors (see below), whose sum is σ = 2144825880. Its totient is φ = 2144639448.

The previous prime is 2144732621. The next prime is 2144732683. The reversal of 2144732663 is 3662374412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2144732663 - 26 = 2144732599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144732683) 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, 15428 + ... + 67286.

It is an arithmetic number, because the mean of its divisors is an integer number (536206470).

Almost surely, 22144732663 is an apocalyptic number.

2144732663 is a deficient number, since it is larger than the sum of its proper divisors (93217).

2144732663 is an equidigital number, since it uses as much as digits as its factorization.

2144732663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93216.

The product of its digits is 145152, while the sum is 38.

The square root of 2144732663 is about 46311.2584907817. The cubic root of 2144732663 is about 1289.6080100176.

The spelling of 2144732663 in words is "two billion, one hundred forty-four million, seven hundred thirty-two thousand, six hundred sixty-three".

Divisors: 1 41357 51859 2144732663