Base | Representation |
---|---|
bin | 101010011011001100… |
… | …1011011001111001101 |
3 | 22201011101210111101002 |
4 | 1110312121123033031 |
5 | 2443041334314140 |
6 | 105504242030045 |
7 | 6403500165221 |
oct | 1246631331715 |
9 | 281141714332 |
10 | 91106948045 |
11 | 35702551593 |
12 | 157a7648325 |
13 | 878c266619 |
14 | 45a3d28781 |
15 | 2583636415 |
hex | 153665b3cd |
91106948045 has 8 divisors (see below), whose sum is σ = 109354202880. Its totient is φ = 72868314960.
The previous prime is 91106948033. The next prime is 91106948047. The reversal of 91106948045 is 54084960119.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 91106948045 - 214 = 91106931661 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91106948047) 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, 2132165 + ... + 2174474.
It is an arithmetic number, because the mean of its divisors is an integer number (13669275360).
Almost surely, 291106948045 is an apocalyptic number.
It is an amenable number.
91106948045 is a deficient number, since it is larger than the sum of its proper divisors (18247254835).
91106948045 is a wasteful number, since it uses less digits than its factorization.
91106948045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4310875.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 91106948045 in words is "ninety-one billion, one hundred six million, nine hundred forty-eight thousand, forty-five".
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