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2144732707 = 13164979439
BaseRepresentation
bin111111111010110…
…0000011000100011
312112110200201011201
41333311200120203
513343022421312
6552453022031
7104101633015
oct17765403043
95473621151
102144732707
11a00711477
124ba324917
13282450910
14164bb21b5
15c8451557
hex7fd60623

2144732707 has 4 divisors (see below), whose sum is σ = 2309712160. Its totient is φ = 1979753256.

The previous prime is 2144732687. The next prime is 2144732719. The reversal of 2144732707 is 7072374412.

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

It is a de Polignac number, because none of the positive numbers 2k-2144732707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144732507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82489707 + ... + 82489732.

It is an arithmetic number, because the mean of its divisors is an integer number (577428040).

Almost surely, 22144732707 is an apocalyptic number.

2144732707 is a deficient number, since it is larger than the sum of its proper divisors (164979453).

2144732707 is a wasteful number, since it uses less digits than its factorization.

2144732707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164979452.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 2144732707 is about 46311.2589658282. The cubic root of 2144732707 is about 1289.6080188365.

The spelling of 2144732707 in words is "two billion, one hundred forty-four million, seven hundred thirty-two thousand, seven hundred seven".

Divisors: 1 13 164979439 2144732707