Base | Representation |
---|---|
bin | 1000111111110010110… |
… | …1100011001111100110 |
3 | 112202221210210012010010 |
4 | 2033330231203033212 |
5 | 10013021243422010 |
6 | 155001111311050 |
7 | 14111142246540 |
oct | 2177455431746 |
9 | 482853705103 |
10 | 154563654630 |
11 | 5a606176450 |
12 | 25b5707b486 |
13 | 11762bb2508 |
14 | 76a390a690 |
15 | 4049593620 |
hex | 23fcb633e6 |
154563654630 has 128 divisors (see below), whose sum is σ = 462696385536. Its totient is φ = 32102553600.
The previous prime is 154563654607. The next prime is 154563654649. The reversal of 154563654630 is 36456365451.
154563654630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 154563654630.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5513850 + ... + 5541810.
It is an arithmetic number, because the mean of its divisors is an integer number (3614815512).
Almost surely, 2154563654630 is an apocalyptic number.
154563654630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 154563654630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231348192768).
154563654630 is an abundant number, since it is smaller than the sum of its proper divisors (308132730906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154563654630 is a wasteful number, since it uses less digits than its factorization.
154563654630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30382.
The product of its (nonzero) digits is 3888000, while the sum is 48.
The spelling of 154563654630 in words is "one hundred fifty-four billion, five hundred sixty-three million, six hundred fifty-four thousand, six hundred thirty".
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