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4395142139 = 39711070887
BaseRepresentation
bin1000001011111100…
…01000101111111011
3102100022020100120012
410011332020233323
533000124022024
62004043052135
7213626043323
oct40576105773
912308210505
104395142139
111955a41383
12a27b1104b
13550751b2b
142d9a12283
151aacc950e
hex105f88bfb

4395142139 has 4 divisors (see below), whose sum is σ = 4406213424. Its totient is φ = 4384070856.

The previous prime is 4395142127. The next prime is 4395142153. The reversal of 4395142139 is 9312415934.

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 4395142139 - 212 = 4395138043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4395142096 and 4395142105.

It is not an unprimeable number, because it can be changed into a prime (4395142439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535047 + ... + 5535840.

It is an arithmetic number, because the mean of its divisors is an integer number (1101553356).

Almost surely, 24395142139 is an apocalyptic number.

4395142139 is a deficient number, since it is larger than the sum of its proper divisors (11071285).

4395142139 is a wasteful number, since it uses less digits than its factorization.

4395142139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071284.

The product of its digits is 116640, while the sum is 41.

The square root of 4395142139 is about 66295.8681895033. The cubic root of 4395142139 is about 1638.0392662741.

The spelling of 4395142139 in words is "four billion, three hundred ninety-five million, one hundred forty-two thousand, one hundred thirty-nine".

Divisors: 1 397 11070887 4395142139