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8168650039 = 117197107827
BaseRepresentation
bin1111001101110001…
…11011010100110111
3210002021202102021001
413212320323110313
5113212133300124
63430322304131
7406266244144
oct74670732467
923067672231
108168650039
113511a98750
1216bb7b8047
13a02471b44
14576c493cb
1532c210b44
hex1e6e3b537

8168650039 has 16 divisors (see below), whose sum is σ = 9130012416. Its totient is φ = 7245907200.

The previous prime is 8168650037. The next prime is 8168650043. The reversal of 8168650039 is 9300568618.

It is a cyclic number.

It is not a de Polignac number, because 8168650039 - 21 = 8168650037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168650037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21844 + ... + 129670.

It is an arithmetic number, because the mean of its divisors is an integer number (570625776).

Almost surely, 28168650039 is an apocalyptic number.

8168650039 is a deficient number, since it is larger than the sum of its proper divisors (961362377).

8168650039 is a wasteful number, since it uses less digits than its factorization.

8168650039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108006.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 8168650039 is about 90380.5844139105. The cubic root of 8168650039 is about 2013.9565507184.

The spelling of 8168650039 in words is "eight billion, one hundred sixty-eight million, six hundred fifty thousand, thirty-nine".

Divisors: 1 11 71 97 781 1067 6887 75757 107827 1186097 7655717 10459219 84212887 115051409 742604549 8168650039