Base | Representation |
---|---|
bin | 1000101010110011110… |
… | …0010101110100011001 |
3 | 112020102012210112222121 |
4 | 2022230330111310121 |
5 | 4420002134342400 |
6 | 152230115021241 |
7 | 13521430255444 |
oct | 2125474256431 |
9 | 466365715877 |
10 | 148930387225 |
11 | 58185359254 |
12 | 24a4459a821 |
13 | 11075aaaaa9 |
14 | 72cb6c265b |
15 | 3d19c4c21a |
hex | 22acf15d19 |
148930387225 has 27 divisors (see below), whose sum is σ = 187232552157. Its totient is φ = 117515748480.
The previous prime is 148930387223. The next prime is 148930387247. The reversal of 148930387225 is 522783039841.
It is a happy number.
The square root of 148930387225 is 385915.
It is a perfect power (a square), and thus also a powerful number.
148930387225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 21198486409 + 127731900816 = 145597^2 + 357396^2 .
It is not a de Polignac number, because 148930387225 - 21 = 148930387223 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148930387223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 152435937 + ... + 152436913.
Almost surely, 2148930387225 is an apocalyptic number.
148930387225 is the 385915-th square number.
148930387225 is the 192958-th centered octagonal number.
It is an amenable number.
148930387225 is a deficient number, since it is larger than the sum of its proper divisors (38302164932).
148930387225 is an frugal number, since it uses more digits than its factorization.
148930387225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2122 (or 1061 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 52.
The spelling of 148930387225 in words is "one hundred forty-eight billion, nine hundred thirty million, three hundred eighty-seven thousand, two hundred twenty-five".
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