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8142863105 = 513562322279
BaseRepresentation
bin1111001010101101…
…00011101100000001
3210000111020022020102
413211112203230001
5113134033104410
63424001452145
7405534123446
oct74526435401
923014208212
108142863105
1134a9485633
1216b3041055
139ca0136c0
145736559cd
15329d1a2a5
hex1e55a3b01

8142863105 has 16 divisors (see below), whose sum is σ = 10525428480. Its totient is φ = 6011851968.

The previous prime is 8142863083. The next prime is 8142863147. The reversal of 8142863105 is 5013682418.

It is a cyclic number.

It is not a de Polignac number, because 8142863105 - 210 = 8142862081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354356 + ... + 376634.

It is an arithmetic number, because the mean of its divisors is an integer number (657839280).

Almost surely, 28142863105 is an apocalyptic number.

It is an amenable number.

8142863105 is a deficient number, since it is larger than the sum of its proper divisors (2382565375).

8142863105 is a wasteful number, since it uses less digits than its factorization.

8142863105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 8142863105 is about 90237.8141634648. The cubic root of 8142863105 is about 2011.8350859757.

The spelling of 8142863105 in words is "eight billion, one hundred forty-two million, eight hundred sixty-three thousand, one hundred five".

Divisors: 1 5 13 65 5623 22279 28115 73099 111395 289627 365495 1448135 125274817 626374085 1628572621 8142863105