Base | Representation |
---|---|
bin | 10110110000100… |
… | …00111010110011 |
3 | 111022020020110121 |
4 | 23120100322303 |
5 | 342333111011 |
6 | 30535511111 |
7 | 4505465206 |
oct | 1330207263 |
9 | 438206417 |
10 | 190910131 |
11 | 98844675 |
12 | 53b28497 |
13 | 30723a99 |
14 | 1b4d793d |
15 | 11b60e71 |
hex | b610eb3 |
190910131 has 2 divisors, whose sum is σ = 190910132. Its totient is φ = 190910130.
The previous prime is 190910089. The next prime is 190910147. The reversal of 190910131 is 131019091.
190910131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 190910131 - 29 = 190909619 is a prime.
It is a super-2 number, since 2×1909101312 = 72893356236874322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 190910096 and 190910105.
It is not a weakly prime, because it can be changed into another prime (190911131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95455065 + 95455066.
It is an arithmetic number, because the mean of its divisors is an integer number (95455066).
Almost surely, 2190910131 is an apocalyptic number.
190910131 is a deficient number, since it is larger than the sum of its proper divisors (1).
190910131 is an equidigital number, since it uses as much as digits as its factorization.
190910131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 243, while the sum is 25.
The square root of 190910131 is about 13817.0232322306. The cubic root of 190910131 is about 575.8061845904.
Subtracting from 190910131 its reverse (131019091), we obtain a triangular number (59891040 = T10944).
The spelling of 190910131 in words is "one hundred ninety million, nine hundred ten thousand, one hundred thirty-one".
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