Base | Representation |
---|---|
bin | 1011100100111… |
… | …00010001110111 |
3 | 20202201122122202 |
4 | 11302130101313 |
5 | 144324442421 |
6 | 13345215115 |
7 | 2256261641 |
oct | 562342167 |
9 | 222648582 |
10 | 97109111 |
11 | 4a8a7570 |
12 | 2863149b |
13 | 17170a18 |
14 | cc7b891 |
15 | 87d310b |
hex | 5c9c477 |
97109111 has 16 divisors (see below), whose sum is σ = 107568000. Its totient is φ = 86935200.
The previous prime is 97109101. The next prime is 97109137. The reversal of 97109111 is 11190179.
It is not a de Polignac number, because 97109111 - 210 = 97108087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97109101) 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, 293216 + ... + 293546.
It is an arithmetic number, because the mean of its divisors is an integer number (6723000).
Almost surely, 297109111 is an apocalyptic number.
97109111 is a deficient number, since it is larger than the sum of its proper divisors (10458889).
97109111 is a wasteful number, since it uses less digits than its factorization.
97109111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670.
The product of its (nonzero) digits is 567, while the sum is 29.
The square root of 97109111 is about 9854.3955167225. The cubic root of 97109111 is about 459.6423038430.
The spelling of 97109111 in words is "ninety-seven million, one hundred nine thousand, one hundred eleven".
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