Base | Representation |
---|---|
bin | 101000011110010001… |
… | …1011100100001010110 |
3 | 22022100021102020002120 |
4 | 1100330203130201112 |
5 | 2411000302130432 |
6 | 103532303520410 |
7 | 6164561416536 |
oct | 1207443344126 |
9 | 268307366076 |
10 | 86915270742 |
11 | 3395144a373 |
12 | 14a178b9106 |
13 | 8271a12bb1 |
14 | 42c735b4c6 |
15 | 23da64cc2c |
hex | 143c8dc856 |
86915270742 has 16 divisors (see below), whose sum is σ = 173851427520. Its totient is φ = 28968275912.
The previous prime is 86915270737. The next prime is 86915270747. The reversal of 86915270742 is 24707251968.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (86915270737) and next prime (86915270747).
It is a super-2 number, since 2×869152707422 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86915270747) 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, 815892 + ... + 916247.
It is an arithmetic number, because the mean of its divisors is an integer number (10865714220).
Almost surely, 286915270742 is an apocalyptic number.
86915270742 is an abundant number, since it is smaller than the sum of its proper divisors (86936156778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86915270742 is a wasteful number, since it uses less digits than its factorization.
86915270742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1740507.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 86915270742 in words is "eighty-six billion, nine hundred fifteen million, two hundred seventy thousand, seven hundred forty-two".
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