Base | Representation |
---|---|
bin | 100110110000… |
… | …101110000111 |
3 | 201010020022111 |
4 | 212300232013 |
5 | 10100123111 |
6 | 1001441451 |
7 | 152236666 |
oct | 46605607 |
9 | 21106274 |
10 | 10161031 |
11 | 5810151 |
12 | 34a0287 |
13 | 2149c5a |
14 | 14c6ddd |
15 | d5aa21 |
hex | 9b0b87 |
10161031 has 2 divisors, whose sum is σ = 10161032. Its totient is φ = 10161030.
The previous prime is 10161017. The next prime is 10161037. The reversal of 10161031 is 13016101.
It is a happy number.
10161031 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 10161031 - 25 = 10160999 is a prime.
It is a super-2 number, since 2×101610312 = 206493101965922, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10161037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080515 + 5080516.
It is an arithmetic number, because the mean of its divisors is an integer number (5080516).
Almost surely, 210161031 is an apocalyptic number.
10161031 is a deficient number, since it is larger than the sum of its proper divisors (1).
10161031 is an equidigital number, since it uses as much as digits as its factorization.
10161031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 10161031 is about 3187.6372127330. The cubic root of 10161031 is about 216.5937524540.
Adding to 10161031 its reverse (13016101), we get a palindrome (23177132).
The spelling of 10161031 in words is "ten million, one hundred sixty-one thousand, thirty-one".
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