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142102603 = 733315881
BaseRepresentation
bin10000111100001…
…01000001001011
3100220101120010101
420132011001023
5242334240403
622033430231
73343565206
oct1036050113
9326346111
10142102603
1173238875
123b70b377
13235953a6
1414c3093d
15c71e71d
hex878504b

142102603 has 8 divisors (see below), whose sum is σ = 144508976. Its totient is φ = 139708800.

The previous prime is 142102591. The next prime is 142102633. The reversal of 142102603 is 306201241.

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 142102603 - 29 = 142102091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142102633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21223 + ... + 27103.

It is an arithmetic number, because the mean of its divisors is an integer number (18063622).

Almost surely, 2142102603 is an apocalyptic number.

142102603 is a deficient number, since it is larger than the sum of its proper divisors (2406373).

142102603 is an equidigital number, since it uses as much as digits as its factorization.

142102603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 142102603 is about 11920.6796366650. The cubic root of 142102603 is about 521.8359694142.

Adding to 142102603 its reverse (306201241), we get a palindrome (448303844).

The spelling of 142102603 in words is "one hundred forty-two million, one hundred two thousand, six hundred three".

Divisors: 1 73 331 5881 24163 429313 1946611 142102603