Base | Representation |
---|---|
bin | 101010011000011011… |
… | …1110000001010001000 |
3 | 22200220221100011122201 |
4 | 1110300313300022020 |
5 | 2442344121003020 |
6 | 105451130525544 |
7 | 6401263142131 |
oct | 1246067601210 |
9 | 280827304581 |
10 | 91014234760 |
11 | 35665187739 |
12 | 157805968b4 |
13 | 8775ca46a7 |
14 | 45958b2c88 |
15 | 257a420a0a |
hex | 1530df0288 |
91014234760 has 128 divisors (see below), whose sum is σ = 212895889920. Its totient is φ = 34996764672.
The previous prime is 91014234733. The next prime is 91014234769. The reversal of 91014234760 is 6743241019.
It is not an unprimeable number, because it can be changed into a prime (91014234769) 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, 24981499 + ... + 24985141.
It is an arithmetic number, because the mean of its divisors is an integer number (1663249140).
Almost surely, 291014234760 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 91014234760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106447944960).
91014234760 is an abundant number, since it is smaller than the sum of its proper divisors (121881655160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91014234760 is a wasteful number, since it uses less digits than its factorization.
91014234760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3935 (or 3931 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
Adding to 91014234760 its reverse (6743241019), we get a palindrome (97757475779).
The spelling of 91014234760 in words is "ninety-one billion, fourteen million, two hundred thirty-four thousand, seven hundred sixty".
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