Base | Representation |
---|---|
bin | 101010011100011110… |
… | …1000000100100001110 |
3 | 22201021101111010220222 |
4 | 1110320331000210032 |
5 | 2443133324033124 |
6 | 105512413111342 |
7 | 6404530526546 |
oct | 1247075004416 |
9 | 281241433828 |
10 | 91149830414 |
11 | 35724780765 |
12 | 157b9a88552 |
13 | 87980cc0c6 |
14 | 45a98cc326 |
15 | 25872a725e |
hex | 1538f4090e |
91149830414 has 8 divisors (see below), whose sum is σ = 139904391000. Its totient is φ = 44515033416.
The previous prime is 91149830407. The next prime is 91149830417. The reversal of 91149830414 is 41403894119.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×911498304142 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91149830417) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529940789 + ... + 529940960.
It is an arithmetic number, because the mean of its divisors is an integer number (17488048875).
Almost surely, 291149830414 is an apocalyptic number.
91149830414 is a deficient number, since it is larger than the sum of its proper divisors (48754560586).
91149830414 is a wasteful number, since it uses less digits than its factorization.
91149830414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1059881794.
The product of its (nonzero) digits is 124416, while the sum is 44.
The spelling of 91149830414 in words is "ninety-one billion, one hundred forty-nine million, eight hundred thirty thousand, four hundred fourteen".
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