Base | Representation |
---|---|
bin | 101000011110001010… |
… | …0101011010100001100 |
3 | 22022100000010112022101 |
4 | 1100330110223110030 |
5 | 2410443304233210 |
6 | 103532044524444 |
7 | 6164513463304 |
oct | 1207424532414 |
9 | 268300115271 |
10 | 86911399180 |
11 | 3394a245631 |
12 | 14a16550724 |
13 | 8270c88928 |
14 | 42c6a30604 |
15 | 23da135a3a |
hex | 143c52b50c |
86911399180 has 96 divisors (see below), whose sum is σ = 185716177920. Its totient is φ = 34162003200.
The previous prime is 86911399111. The next prime is 86911399181. The reversal of 86911399180 is 8199311968.
It is a super-4 number, since 4×869113991804 (a number of 45 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (86911399181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196188039 + ... + 196188481.
It is an arithmetic number, because the mean of its divisors is an integer number (1934543520).
Almost surely, 286911399180 is an apocalyptic number.
It is an amenable number.
86911399180 is an abundant number, since it is smaller than the sum of its proper divisors (98804778740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86911399180 is a wasteful number, since it uses less digits than its factorization.
86911399180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 55.
The spelling of 86911399180 in words is "eighty-six billion, nine hundred eleven million, three hundred ninety-nine thousand, one hundred eighty".
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