Base | Representation |
---|---|
bin | 101010011011000101… |
… | …0010111110111110101 |
3 | 22201011010101000120000 |
4 | 1110312022113313311 |
5 | 2443034332031401 |
6 | 105504021301513 |
7 | 6403421512056 |
oct | 1246612276765 |
9 | 281133330500 |
10 | 91103002101 |
11 | 357002a6981 |
12 | 157a6264899 |
13 | 878b4b4547 |
14 | 45a35bc72d |
15 | 2583107186 |
hex | 1536297df5 |
91103002101 has 20 divisors (see below), whose sum is σ = 136852452000. Its totient is φ = 60396021576.
The previous prime is 91103002087. The next prime is 91103002103. The reversal of 91103002101 is 10120030119.
It is not a de Polignac number, because 91103002101 - 26 = 91103002037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91103002103) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3127201 + ... + 3156198.
It is an arithmetic number, because the mean of its divisors is an integer number (6842622600).
Almost surely, 291103002101 is an apocalyptic number.
It is an amenable number.
91103002101 is a deficient number, since it is larger than the sum of its proper divisors (45749449899).
91103002101 is a wasteful number, since it uses less digits than its factorization.
91103002101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6283590 (or 6283581 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
The spelling of 91103002101 in words is "ninety-one billion, one hundred three million, two thousand, one hundred one".
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