Base | Representation |
---|---|
bin | 10011110100110110011111… |
… | …101011000100000000000000 |
3 | 102102201202001020002102101212 |
4 | 103310312133223010000000 |
5 | 42412044432321121031 |
6 | 505240424231145252 |
7 | 24236421450431300 |
oct | 2364663753040000 |
9 | 372652036072355 |
10 | 87194809942016 |
11 | 25868125059267 |
12 | 9942b31515228 |
13 | 398658746518a |
14 | 1776373895600 |
15 | a1320cb1212b |
hex | 4f4d9fac4000 |
87194809942016 has 180 divisors, whose sum is σ = 213531830744400. Its totient is φ = 35402397843456.
The previous prime is 87194809941989. The next prime is 87194809942057. The reversal of 87194809942016 is 61024990849178.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12395315 + ... + 18111693.
It is an arithmetic number, because the mean of its divisors is an integer number (1186287948580).
Almost surely, 287194809942016 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87194809942016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106765915372200).
87194809942016 is an abundant number, since it is smaller than the sum of its proper divisors (126337020802384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87194809942016 is an equidigital number, since it uses as much as digits as its factorization.
87194809942016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5716440 (or 5716407 counting only the distinct ones).
The product of its (nonzero) digits is 62705664, while the sum is 68.
The spelling of 87194809942016 in words is "eighty-seven trillion, one hundred ninety-four billion, eight hundred nine million, nine hundred forty-two thousand, sixteen".
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