Base | Representation |
---|---|
bin | 100110100110… |
… | …101111010001 |
3 | 201001011020012 |
4 | 212212233101 |
5 | 10042321040 |
6 | 1000524305 |
7 | 152006540 |
oct | 46465721 |
9 | 21034205 |
10 | 10120145 |
11 | 5792462 |
12 | 3480695 |
13 | 2134469 |
14 | 14b6157 |
15 | d4d865 |
hex | 9a6bd1 |
10120145 has 16 divisors (see below), whose sum is σ = 13958400. Its totient is φ = 6899904.
The previous prime is 10120139. The next prime is 10120147. The reversal of 10120145 is 54102101.
It is a cyclic number.
It is not a de Polignac number, because 10120145 - 26 = 10120081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10120147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6239 + ... + 7691.
It is an arithmetic number, because the mean of its divisors is an integer number (872400).
Almost surely, 210120145 is an apocalyptic number.
It is an amenable number.
10120145 is a deficient number, since it is larger than the sum of its proper divisors (3838255).
10120145 is a wasteful number, since it uses less digits than its factorization.
10120145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664.
The product of its (nonzero) digits is 40, while the sum is 14.
The square root of 10120145 is about 3181.2175342155. The cubic root of 10120145 is about 216.3028516392.
Adding to 10120145 its reverse (54102101), we get a palindrome (64222246).
The spelling of 10120145 in words is "ten million, one hundred twenty thousand, one hundred forty-five".
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