Base | Representation |
---|---|
bin | 101000100011111110… |
… | …1111001001000010101 |
3 | 22022211121201112102201 |
4 | 1101013331321020111 |
5 | 2411343312044140 |
6 | 104003304004501 |
7 | 6202405120144 |
oct | 1210775711025 |
9 | 268747645381 |
10 | 87106753045 |
11 | 33a3a544904 |
12 | 14a6ba60731 |
13 | 82a25a7230 |
14 | 430496375b |
15 | 23ec37349a |
hex | 1447f79215 |
87106753045 has 16 divisors (see below), whose sum is σ = 112969351152. Its totient is φ = 64096058880.
The previous prime is 87106753009. The next prime is 87106753051. The reversal of 87106753045 is 54035760178.
It can be written as a sum of positive squares in 8 ways, for example, as 15209302276 + 71897450769 = 123326^2 + 268137^2 .
It is not a de Polignac number, because 87106753045 - 215 = 87106720277 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87106752986 and 87106753004.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2366262 + ... + 2402791.
It is an arithmetic number, because the mean of its divisors is an integer number (7060584447).
Almost surely, 287106753045 is an apocalyptic number.
It is an amenable number.
87106753045 is a deficient number, since it is larger than the sum of its proper divisors (25862598107).
87106753045 is a wasteful number, since it uses less digits than its factorization.
87106753045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4769352.
The product of its (nonzero) digits is 705600, while the sum is 46.
The spelling of 87106753045 in words is "eighty-seven billion, one hundred six million, seven hundred fifty-three thousand, forty-five".
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