Base | Representation |
---|---|
bin | 1000101001101101001… |
… | …1000010011010110101 |
3 | 112012122120202011101211 |
4 | 2022123103002122311 |
5 | 4413400343102224 |
6 | 152140501521421 |
7 | 13511204051116 |
oct | 2123323023265 |
9 | 465576664354 |
10 | 148634347189 |
11 | 58043239a69 |
12 | 24981413271 |
13 | 11029668583 |
14 | 72a026020d |
15 | 3cedc71894 |
hex | 229b4c26b5 |
148634347189 has 4 divisors (see below), whose sum is σ = 148641396300. Its totient is φ = 148627298080.
The previous prime is 148634347187. The next prime is 148634347219. The reversal of 148634347189 is 981743436841.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15141302500 + 133493044689 = 123050^2 + 365367^2 .
It is a cyclic number.
It is not a de Polignac number, because 148634347189 - 21 = 148634347187 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148634347187) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492832 + ... + 3535129.
It is an arithmetic number, because the mean of its divisors is an integer number (37160349075).
Almost surely, 2148634347189 is an apocalyptic number.
It is an amenable number.
148634347189 is a deficient number, since it is larger than the sum of its proper divisors (7049111).
148634347189 is an equidigital number, since it uses as much as digits as its factorization.
148634347189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7049110.
The product of its digits is 13934592, while the sum is 58.
The spelling of 148634347189 in words is "one hundred forty-eight billion, six hundred thirty-four million, three hundred forty-seven thousand, one hundred eighty-nine".
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