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8102003001 = 32700667667
BaseRepresentation
bin1111000101110101…
…01100000100111001
3202220122100101201020
413202322230010321
5113043103044001
63415542013053
7404526614001
oct74272540471
922818311636
108102003001
113488407854
1216a1417189
139c1708521
1456c05b001
15326448736
hex1e2eac139

8102003001 has 4 divisors (see below), whose sum is σ = 10802670672. Its totient is φ = 5401335332.

The previous prime is 8102002967. The next prime is 8102003003. The reversal of 8102003001 is 1003002018.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8102003001 - 210 = 8102001977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8102003003) by changing a digit.

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, 1350333831 + ... + 1350333836.

It is an arithmetic number, because the mean of its divisors is an integer number (2700667668).

Almost surely, 28102003001 is an apocalyptic number.

It is an amenable number.

8102003001 is a deficient number, since it is larger than the sum of its proper divisors (2700667671).

8102003001 is a wasteful number, since it uses less digits than its factorization.

8102003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700667670.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 8102003001 is about 90011.1270954875. The cubic root of 8102003001 is about 2008.4643767105.

Adding to 8102003001 its reverse (1003002018), we get a palindrome (9105005019).

The spelling of 8102003001 in words is "eight billion, one hundred two million, three thousand, one".

Divisors: 1 3 2700667667 8102003001