Base | Representation |
---|---|
bin | 1111100001101… |
… | …00111010010001 |
3 | 100002001212220002 |
4 | 13300310322101 |
5 | 231320141040 |
6 | 20531255345 |
7 | 3141010610 |
oct | 760647221 |
9 | 302055802 |
10 | 130240145 |
11 | 67576392 |
12 | 3774a555 |
13 | 20ca0b99 |
14 | 13423877 |
15 | b679a15 |
hex | 7c34e91 |
130240145 has 64 divisors (see below), whose sum is σ = 204374016. Its totient is φ = 77552640.
The previous prime is 130240093. The next prime is 130240171. The reversal of 130240145 is 541042031.
It is not a de Polignac number, because 130240145 - 210 = 130239121 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424082 + ... + 424388.
It is an arithmetic number, because the mean of its divisors is an integer number (3193344).
Almost surely, 2130240145 is an apocalyptic number.
It is an amenable number.
130240145 is a deficient number, since it is larger than the sum of its proper divisors (74133871).
130240145 is a wasteful number, since it uses less digits than its factorization.
130240145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 130240145 is about 11412.2804469571. The cubic root of 130240145 is about 506.8914397330.
Adding to 130240145 its reverse (541042031), we get a palindrome (671282176).
The spelling of 130240145 in words is "one hundred thirty million, two hundred forty thousand, one hundred forty-five".
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