Base | Representation |
---|---|
bin | 1000111111101010110… |
… | …1111100100110011101 |
3 | 112202212110211201120011 |
4 | 2033322231330212131 |
5 | 10012434213012221 |
6 | 154553514323221 |
7 | 14110255030162 |
oct | 2177255744635 |
9 | 482773751504 |
10 | 154530204061 |
11 | 5a5992a9552 |
12 | 25b47a29511 |
13 | 11758c9ca8c |
14 | 769d2c0069 |
15 | 40466871e1 |
hex | 23fab7c99d |
154530204061 has 2 divisors, whose sum is σ = 154530204062. Its totient is φ = 154530204060.
The previous prime is 154530204053. The next prime is 154530204067. The reversal of 154530204061 is 160402035451.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 100152627961 + 54377576100 = 316469^2 + 233190^2 .
It is a cyclic number.
It is not a de Polignac number, because 154530204061 - 23 = 154530204053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (154530204067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77265102030 + 77265102031.
It is an arithmetic number, because the mean of its divisors is an integer number (77265102031).
Almost surely, 2154530204061 is an apocalyptic number.
It is an amenable number.
154530204061 is a deficient number, since it is larger than the sum of its proper divisors (1).
154530204061 is an equidigital number, since it uses as much as digits as its factorization.
154530204061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14400, while the sum is 31.
The spelling of 154530204061 in words is "one hundred fifty-four billion, five hundred thirty million, two hundred four thousand, sixty-one".
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