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7102142042 = 24382583047
BaseRepresentation
bin1101001110101001…
…00001011001011010
3200022221221012022212
412213110201121122
5104021122021132
63132423315122
7340666132322
oct64724413132
920287835285
107102142042
113014a79486
1214625abaa2
13892519718
144b5348282
152b87935b2
hex1a752165a

7102142042 has 8 divisors (see below), whose sum is σ = 10900962336. Its totient is φ = 3468487932.

The previous prime is 7102142039. The next prime is 7102142053. The reversal of 7102142042 is 2402412017.

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

It is a junction number, because it is equal to n+sod(n) for n = 7102141999 and 7102142017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41291438 + ... + 41291609.

It is an arithmetic number, because the mean of its divisors is an integer number (1362620292).

Almost surely, 27102142042 is an apocalyptic number.

7102142042 is a deficient number, since it is larger than the sum of its proper divisors (3798820294).

7102142042 is a wasteful number, since it uses less digits than its factorization.

7102142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82583092.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 7102142042 is about 84274.2074540010. The cubic root of 7102142042 is about 1922.1906096796.

Adding to 7102142042 its reverse (2402412017), we get a palindrome (9504554059).

The spelling of 7102142042 in words is "seven billion, one hundred two million, one hundred forty-two thousand, forty-two".

Divisors: 1 2 43 86 82583047 165166094 3551071021 7102142042