Base | Representation |
---|---|
bin | 101010011001111101… |
… | …1101000001000111101 |
3 | 22201001111221220000120 |
4 | 1110303323220020331 |
5 | 2443000242112031 |
6 | 105500203245153 |
7 | 6402455451012 |
oct | 1246373501075 |
9 | 281044856016 |
10 | 91065582141 |
11 | 35691168796 |
12 | 157958197b9 |
13 | 8783812161 |
14 | 459c63b709 |
15 | 257ebb4a96 |
hex | 1533ee823d |
91065582141 has 8 divisors (see below), whose sum is σ = 121424824224. Its totient is φ = 60708364080.
The previous prime is 91065582109. The next prime is 91065582161. The reversal of 91065582141 is 14128556019.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 91065582141 - 25 = 91065582109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 91065582093 and 91065582102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91065582161) 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, 397711 + ... + 583356.
It is an arithmetic number, because the mean of its divisors is an integer number (15178103028).
Almost surely, 291065582141 is an apocalyptic number.
It is an amenable number.
91065582141 is a deficient number, since it is larger than the sum of its proper divisors (30359242083).
91065582141 is a wasteful number, since it uses less digits than its factorization.
91065582141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012011.
The product of its (nonzero) digits is 86400, while the sum is 42.
The spelling of 91065582141 in words is "ninety-one billion, sixty-five million, five hundred eighty-two thousand, one hundred forty-one".
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