Base | Representation |
---|---|
bin | 10000010000110111… |
… | …10011101101101101 |
3 | 211112111202012201211 |
4 | 20020123303231231 |
5 | 120340222121104 |
6 | 4002225034421 |
7 | 426242014132 |
oct | 101033635555 |
9 | 24474665654 |
10 | 8731442029 |
11 | 37807426a2 |
12 | 1838185a11 |
13 | a91c4095b |
14 | 5cb8a8589 |
15 | 36182de04 |
hex | 2086f3b6d |
8731442029 has 4 divisors (see below), whose sum is σ = 9245056284. Its totient is φ = 8217827776.
The previous prime is 8731442023. The next prime is 8731442107. The reversal of 8731442029 is 9202441378.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3050352900 + 5681089129 = 55230^2 + 75373^2 .
It is a cyclic number.
It is not a de Polignac number, because 8731442029 - 25 = 8731441997 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8731441982 and 8731442000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8731442023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256807102 + ... + 256807135.
It is an arithmetic number, because the mean of its divisors is an integer number (2311264071).
Almost surely, 28731442029 is an apocalyptic number.
It is an amenable number.
8731442029 is a deficient number, since it is larger than the sum of its proper divisors (513614255).
8731442029 is a wasteful number, since it uses less digits than its factorization.
8731442029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513614254.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 8731442029 is about 93442.1854892104. The cubic root of 8731442029 is about 2059.1848055639.
The spelling of 8731442029 in words is "eight billion, seven hundred thirty-one million, four hundred forty-two thousand, twenty-nine".
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