Base | Representation |
---|---|
bin | 101010100010001111… |
… | …0111101001111101000 |
3 | 22201202212111100121101 |
4 | 1111010132331033220 |
5 | 2444032334412310 |
6 | 105543523251144 |
7 | 6412400030044 |
oct | 1250436751750 |
9 | 281685440541 |
10 | 91343279080 |
11 | 35813999599 |
12 | 15852819ab4 |
13 | 87c9201481 |
14 | 45c7487024 |
15 | 259926a43a |
hex | 15447bd3e8 |
91343279080 has 32 divisors (see below), whose sum is σ = 205532121600. Its totient is φ = 36535579456.
The previous prime is 91343279063. The next prime is 91343279087. The reversal of 91343279080 is 8097234319.
It is a self number, because there is not a number n which added to its sum of digits gives 91343279080.
It is not an unprimeable number, because it can be changed into a prime (91343279087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108341 + ... + 1187899.
It is an arithmetic number, because the mean of its divisors is an integer number (6422878800).
Almost surely, 291343279080 is an apocalyptic number.
It is an amenable number.
91343279080 is an abundant number, since it is smaller than the sum of its proper divisors (114188842520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91343279080 is a wasteful number, since it uses less digits than its factorization.
91343279080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108273 (or 108269 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 46.
The spelling of 91343279080 in words is "ninety-one billion, three hundred forty-three million, two hundred seventy-nine thousand, eighty".
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