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8102349659 = 82124234073
BaseRepresentation
bin1111000101111000…
…00000101101011011
3202220200000000020102
413202330000231123
5113043200142114
63415553250015
7404532556445
oct74274005533
922820000212
108102349659
113488624248
1216a156390b
139c17ca251
1456c10b495
153264b62de
hex1e2f00b5b

8102349659 has 8 divisors (see below), whose sum is σ = 8117559072. Its totient is φ = 8087154880.

The previous prime is 8102349631. The next prime is 8102349677. The reversal of 8102349659 is 9569432018.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8102349659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8102342659) 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 7 ways as a sum of consecutive naturals, for example, 1987247 + ... + 1991319.

It is an arithmetic number, because the mean of its divisors is an integer number (1014694884).

Almost surely, 28102349659 is an apocalyptic number.

8102349659 is a deficient number, since it is larger than the sum of its proper divisors (15209413).

8102349659 is a wasteful number, since it uses less digits than its factorization.

8102349659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 8102349659 is about 90013.0527145925. The cubic root of 8102349659 is about 2008.4930214918.

The spelling of 8102349659 in words is "eight billion, one hundred two million, three hundred forty-nine thousand, six hundred fifty-nine".

Divisors: 1 821 2423 4073 1989283 3343933 9868879 8102349659