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142311003 = 3144732783
BaseRepresentation
bin10000111101101…
…11111001011011
3100220210010222220
420132313321123
5242412423003
622042115123
73345423612
oct1036677133
9326703886
10142311003
11733703aa
123b7abaa3
13236391c3
1414c86879
15c761353
hex87b7e5b

142311003 has 8 divisors (see below), whose sum is σ = 189884928. Its totient is φ = 94805544.

The previous prime is 142310983. The next prime is 142311023. The reversal of 142311003 is 300113241.

It is an interprime number because it is at equal distance from previous prime (142310983) and next prime (142311023).

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

It is not a de Polignac number, because 142311003 - 26 = 142310939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142311023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12051 + ... + 20732.

It is an arithmetic number, because the mean of its divisors is an integer number (23735616).

Almost surely, 2142311003 is an apocalyptic number.

142311003 is a deficient number, since it is larger than the sum of its proper divisors (47573925).

142311003 is a wasteful number, since it uses less digits than its factorization.

142311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34233.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142311003 is about 11929.4175465527. The cubic root of 142311003 is about 522.0909436239.

Adding to 142311003 its reverse (300113241), we get a palindrome (442424244).

The spelling of 142311003 in words is "one hundred forty-two million, three hundred eleven thousand, three".

Divisors: 1 3 1447 4341 32783 98349 47437001 142311003