Base | Representation |
---|---|
bin | 101000100010110111… |
… | …0000110110101011111 |
3 | 22022201222210112220120 |
4 | 1101011232012311133 |
5 | 2411304134413242 |
6 | 103555440050023 |
7 | 6201436542165 |
oct | 1210556066537 |
9 | 268658715816 |
10 | 87069060447 |
11 | 33a2023a8a6 |
12 | 14a5b303913 |
13 | 829783aa15 |
14 | 42dd951235 |
15 | 23e8dca1ec |
hex | 1445b86d5f |
87069060447 has 16 divisors (see below), whose sum is σ = 118755655680. Its totient is φ = 56718284832.
The previous prime is 87069060443. The next prime is 87069060469. The reversal of 87069060447 is 74406096078.
It is not a de Polignac number, because 87069060447 - 22 = 87069060443 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87069060447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87069060443) 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, 417247 + ... + 590112.
It is an arithmetic number, because the mean of its divisors is an integer number (7422228480).
Almost surely, 287069060447 is an apocalyptic number.
87069060447 is a deficient number, since it is larger than the sum of its proper divisors (31686595233).
87069060447 is a wasteful number, since it uses less digits than its factorization.
87069060447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008022.
The product of its (nonzero) digits is 2032128, while the sum is 51.
The spelling of 87069060447 in words is "eighty-seven billion, sixty-nine million, sixty thousand, four hundred forty-seven".
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