Base | Representation |
---|---|
bin | 1100110111010… |
… | …10001010111001 |
3 | 21112001121001121 |
4 | 12123222022321 |
5 | 210111221123 |
6 | 14412545241 |
7 | 2450152552 |
oct | 633521271 |
9 | 245047047 |
10 | 107913913 |
11 | 55a07358 |
12 | 30182221 |
13 | 194849b3 |
14 | 10491329 |
15 | 971975d |
hex | 66ea2b9 |
107913913 has 2 divisors, whose sum is σ = 107913914. Its totient is φ = 107913912.
The previous prime is 107913899. The next prime is 107913931. The reversal of 107913913 is 319319701.
Together with next prime (107913931) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 74874409 + 33039504 = 8653^2 + 5748^2 .
It is an emirp because it is prime and its reverse (319319701) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 107913913 - 25 = 107913881 is a prime.
It is not a weakly prime, because it can be changed into another prime (107913313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53956956 + 53956957.
It is an arithmetic number, because the mean of its divisors is an integer number (53956957).
Almost surely, 2107913913 is an apocalyptic number.
It is an amenable number.
107913913 is a deficient number, since it is larger than the sum of its proper divisors (1).
107913913 is an equidigital number, since it uses as much as digits as its factorization.
107913913 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5103, while the sum is 34.
The square root of 107913913 is about 10388.1621569939. The cubic root of 107913913 is about 476.0937499241.
The spelling of 107913913 in words is "one hundred seven million, nine hundred thirteen thousand, nine hundred thirteen".
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