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1020131342 = 21730003863
BaseRepresentation
bin111100110011011…
…111100000001110
32122002120001010022
4330303133200032
54042123200332
6245120542142
734164654566
oct7463374016
92562501108
101020131342
1148392385a
12245781952
13133468319
14996abda6
155e85b212
hex3ccdf80e

1020131342 has 8 divisors (see below), whose sum is σ = 1620208656. Its totient is φ = 480061792.

The previous prime is 1020131317. The next prime is 1020131383. The reversal of 1020131342 is 2431310201.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1020131342.

It is a congruent number.

It is an unprimeable number.

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, 15001898 + ... + 15001965.

It is an arithmetic number, because the mean of its divisors is an integer number (202526082).

Almost surely, 21020131342 is an apocalyptic number.

1020131342 is a deficient number, since it is larger than the sum of its proper divisors (600077314).

1020131342 is a wasteful number, since it uses less digits than its factorization.

1020131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30003882.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1020131342 is about 31939.4950179241. The cubic root of 1020131342 is about 1006.6659141894.

Adding to 1020131342 its reverse (2431310201), we get a palindrome (3451441543).

The spelling of 1020131342 in words is "one billion, twenty million, one hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 17 34 30003863 60007726 510065671 1020131342