Base | Representation |
---|---|
bin | 101000111100000000… |
… | …1110100001110101010 |
3 | 22101220210222120221010 |
4 | 1101320001310032222 |
5 | 2420021222303124 |
6 | 104215310324350 |
7 | 6231365626521 |
oct | 1217001641652 |
9 | 271823876833 |
10 | 87913087914 |
11 | 34313712163 |
12 | 15055ab96b6 |
13 | 83a0667662 |
14 | 437da9b4b8 |
15 | 244804c529 |
hex | 14780743aa |
87913087914 has 8 divisors (see below), whose sum is σ = 175826175840. Its totient is φ = 29304362636.
The previous prime is 87913087907. The next prime is 87913087949. The reversal of 87913087914 is 41978031978.
It is a sphenic number, since it is the product of 3 distinct primes.
87913087914 is an admirable number.
It is a super-2 number, since 2×879130879142 (a number of 23 digits) contains 22 as substring.
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, 7326090654 + ... + 7326090665.
It is an arithmetic number, because the mean of its divisors is an integer number (21978271980).
Almost surely, 287913087914 is an apocalyptic number.
87913087914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87913087914 is a wasteful number, since it uses less digits than its factorization.
87913087914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14652181324.
The product of its (nonzero) digits is 3048192, while the sum is 57.
The spelling of 87913087914 in words is "eighty-seven billion, nine hundred thirteen million, eighty-seven thousand, nine hundred fourteen".
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