Base | Representation |
---|---|
bin | 1000111110100110001… |
… | …1000111000001101001 |
3 | 112202010101211002100221 |
4 | 2033221203013001221 |
5 | 10011341442304010 |
6 | 154505144330041 |
7 | 14100156434662 |
oct | 2175143070151 |
9 | 482111732327 |
10 | 154242150505 |
11 | 5a460744663 |
12 | 25a87473921 |
13 | 117113c57a1 |
14 | 7672d3a369 |
15 | 402b237dda |
hex | 23e98c7069 |
154242150505 has 32 divisors (see below), whose sum is σ = 196093612800. Its totient is φ = 116296992000.
The previous prime is 154242150497. The next prime is 154242150539. The reversal of 154242150505 is 505051242451.
It is not a de Polignac number, because 154242150505 - 23 = 154242150497 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965626 + ... + 1113964.
It is an arithmetic number, because the mean of its divisors is an integer number (6127925400).
Almost surely, 2154242150505 is an apocalyptic number.
It is an amenable number.
154242150505 is a deficient number, since it is larger than the sum of its proper divisors (41851462295).
154242150505 is a wasteful number, since it uses less digits than its factorization.
154242150505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148545.
The product of its (nonzero) digits is 40000, while the sum is 34.
Adding to 154242150505 its reverse (505051242451), we get a palindrome (659293392956).
The spelling of 154242150505 in words is "one hundred fifty-four billion, two hundred forty-two million, one hundred fifty thousand, five hundred five".
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