Base | Representation |
---|---|
bin | 1000111111010000110… |
… | …1010111101101000000 |
3 | 112202120212100122011020 |
4 | 2033310031113231000 |
5 | 10012223234013044 |
6 | 154535013545440 |
7 | 14104460565033 |
oct | 2176415275500 |
9 | 482525318136 |
10 | 154421001024 |
11 | 5a5426a1704 |
12 | 25b17345280 |
13 | 1173c4863b4 |
14 | 768c9b501a |
15 | 403bcb5a19 |
hex | 23f4357b40 |
154421001024 has 112 divisors (see below), whose sum is σ = 410370406080. Its totient is φ = 51247595520.
The previous prime is 154421001023. The next prime is 154421001037. The reversal of 154421001024 is 420100124451.
154421001024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 154421000985 and 154421001003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154421001023) 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 15 ways as a sum of consecutive naturals, for example, 67935952 + ... + 67938224.
Almost surely, 2154421001024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154421001024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205185203040).
154421001024 is an abundant number, since it is smaller than the sum of its proper divisors (255949405056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154421001024 is a wasteful number, since it uses less digits than its factorization.
154421001024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3688 (or 3678 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
Adding to 154421001024 its reverse (420100124451), we get a palindrome (574521125475).
The spelling of 154421001024 in words is "one hundred fifty-four billion, four hundred twenty-one million, one thousand, twenty-four".
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