Base | Representation |
---|---|
bin | 101000101111110010… |
… | …1101111100010111001 |
3 | 22100212020110210122122 |
4 | 1101133211233202321 |
5 | 2413201241404023 |
6 | 104110502331025 |
7 | 6215256604220 |
oct | 1213745574271 |
9 | 270766423578 |
10 | 87503075513 |
11 | 34123228837 |
12 | 14b60729a75 |
13 | 833672b979 |
14 | 434144bcb7 |
15 | 242205c2c8 |
hex | 145f96f8b9 |
87503075513 has 8 divisors (see below), whose sum is σ = 105266857920. Its totient is φ = 71055128880.
The previous prime is 87503075507. The next prime is 87503075521. The reversal of 87503075513 is 31557030578.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87503075513 - 24 = 87503075497 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87503075503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328958798 + ... + 328959063.
It is an arithmetic number, because the mean of its divisors is an integer number (13158357240).
Almost surely, 287503075513 is an apocalyptic number.
It is an amenable number.
87503075513 is a deficient number, since it is larger than the sum of its proper divisors (17763782407).
87503075513 is a wasteful number, since it uses less digits than its factorization.
87503075513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657917887.
The product of its (nonzero) digits is 441000, while the sum is 44.
The spelling of 87503075513 in words is "eighty-seven billion, five hundred three million, seventy-five thousand, five hundred thirteen".
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