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142711723 = 7111853399
BaseRepresentation
bin10001000000110…
…01101110101011
3100221112111200101
420200121232223
5243013233343
622054450231
73352013110
oct1040315653
9327474611
10142711723
1173614480
123b963977
132374970b
1414d4c907
15c7dee4d
hex8819bab

142711723 has 8 divisors (see below), whose sum is σ = 177926400. Its totient is φ = 111203880.

The previous prime is 142711703. The next prime is 142711729. The reversal of 142711723 is 327117241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142711723 - 25 = 142711691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142711691 and 142711700.

It is not an unprimeable number, because it can be changed into a prime (142711729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926623 + ... + 926776.

It is an arithmetic number, because the mean of its divisors is an integer number (22240800).

Almost surely, 2142711723 is an apocalyptic number.

142711723 is a deficient number, since it is larger than the sum of its proper divisors (35214677).

142711723 is a wasteful number, since it uses less digits than its factorization.

142711723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853417.

The product of its digits is 2352, while the sum is 28.

The square root of 142711723 is about 11946.2011953591. The cubic root of 142711723 is about 522.5805197826.

Adding to 142711723 its reverse (327117241), we get a palindrome (469828964).

It can be divided in two parts, 1 and 42711723, that added together give a palindrome (42711724).

The spelling of 142711723 in words is "one hundred forty-two million, seven hundred eleven thousand, seven hundred twenty-three".

Divisors: 1 7 11 77 1853399 12973793 20387389 142711723