Base | Representation |
---|---|
bin | 10011111100100100001100… |
… | …011101011111111110010001 |
3 | 102111121102100020022102200112 |
4 | 103330210030131133332101 |
5 | 42444241112004034104 |
6 | 510324134201331105 |
7 | 24322626125316350 |
oct | 2374441435377621 |
9 | 374542306272615 |
10 | 87724916080529 |
11 | 25a51a23164172 |
12 | 9a09814a96a95 |
13 | 39c456895a8a0 |
14 | 1793ca1271997 |
15 | a21dd683786e |
hex | 4fc90c75ff91 |
87724916080529 has 16 divisors (see below), whose sum is σ = 107970301474560. Its totient is φ = 69407970102720.
The previous prime is 87724916080523. The next prime is 87724916080531. The reversal of 87724916080529 is 92508061942778.
It is a cyclic number.
It is not a de Polignac number, because 87724916080529 - 28 = 87724916080273 is a prime.
It is a super-2 number, since 2×877249160805292 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87724916080523) 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, 3249164 + ... + 13638434.
It is an arithmetic number, because the mean of its divisors is an integer number (6748143842160).
Almost surely, 287724916080529 is an apocalyptic number.
It is an amenable number.
87724916080529 is a deficient number, since it is larger than the sum of its proper divisors (20245385394031).
87724916080529 is a wasteful number, since it uses less digits than its factorization.
87724916080529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10482080.
The product of its (nonzero) digits is 121927680, while the sum is 68.
The spelling of 87724916080529 in words is "eighty-seven trillion, seven hundred twenty-four billion, nine hundred sixteen million, eighty thousand, five hundred twenty-nine".
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