Base | Representation |
---|---|
bin | 101010100111010001… |
… | …1110101011111010100 |
3 | 22202012122121001010211 |
4 | 1111032203311133110 |
5 | 2444404124031241 |
6 | 110012402455204 |
7 | 6416521654330 |
oct | 1251643653724 |
9 | 282178531124 |
10 | 91512330196 |
11 | 358a0363161 |
12 | 1589b364504 |
13 | 8825240911 |
14 | 4601ad07c0 |
15 | 25a900e781 |
hex | 154e8f57d4 |
91512330196 has 48 divisors (see below), whose sum is σ = 186763006080. Its totient is φ = 38423041920.
The previous prime is 91512330191. The next prime is 91512330209. The reversal of 91512330196 is 69103321519.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91512330191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389506 + ... + 578566.
It is an arithmetic number, because the mean of its divisors is an integer number (3890895960).
Almost surely, 291512330196 is an apocalyptic number.
It is an amenable number.
91512330196 is an abundant number, since it is smaller than the sum of its proper divisors (95250675884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91512330196 is a wasteful number, since it uses less digits than its factorization.
91512330196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189424 (or 189422 counting only the distinct ones).
The product of its (nonzero) digits is 43740, while the sum is 40.
The spelling of 91512330196 in words is "ninety-one billion, five hundred twelve million, three hundred thirty thousand, one hundred ninety-six".
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