Base | Representation |
---|---|
bin | 101000100000111101… |
… | …1011100111101011110 |
3 | 22022120120002210212222 |
4 | 1101001323130331132 |
5 | 2411141343400303 |
6 | 103545244425342 |
7 | 6200035060211 |
oct | 1210173347536 |
9 | 268516083788 |
10 | 87005450078 |
11 | 33998343448 |
12 | 14a41b48252 |
13 | 82875c8651 |
14 | 42d5313778 |
15 | 23e3512938 |
hex | 1441edcf5e |
87005450078 has 8 divisors (see below), whose sum is σ = 130736737560. Its totient is φ = 43426537560.
The previous prime is 87005450011. The next prime is 87005450137.
87005450078 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38092313 + ... + 38094596.
It is an arithmetic number, because the mean of its divisors is an integer number (16342092195).
Almost surely, 287005450078 is an apocalyptic number.
87005450078 is a deficient number, since it is larger than the sum of its proper divisors (43731287482).
87005450078 is a wasteful number, since it uses less digits than its factorization.
87005450078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76187482.
The product of its (nonzero) digits is 313600, while the sum is 44.
The spelling of 87005450078 in words is "eighty-seven billion, five million, four hundred fifty thousand, seventy-eight".
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