Base | Representation |
---|---|
bin | 1100011101100000000… |
… | …00101010101100111110 |
3 | 1111221010211122201000000 |
4 | 12032300000222230332 |
5 | 24003330102232410 |
6 | 524405213415130 |
7 | 42635034063606 |
oct | 6166000525476 |
9 | 1457124581000 |
10 | 428154727230 |
11 | 1556411aa70a |
12 | 6ab9019a4a6 |
13 | 314b4621859 |
14 | 16a1950bc06 |
15 | b20d524dc0 |
hex | 63b002ab3e |
428154727230 has 224 divisors, whose sum is σ = 1227050381664. Its totient is φ = 107143077888.
The previous prime is 428154727207. The next prime is 428154727279. The reversal of 428154727230 is 32727451824.
428154727230 is a `hidden beast` number, since 4 + 2 + 8 + 1 + 547 + 2 + 72 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 43742397 + ... + 43752183.
Almost surely, 2428154727230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 428154727230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613525190832).
428154727230 is an abundant number, since it is smaller than the sum of its proper divisors (798895654434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428154727230 is a wasteful number, since it uses less digits than its factorization.
428154727230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10182 (or 10167 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 45.
The spelling of 428154727230 in words is "four hundred twenty-eight billion, one hundred fifty-four million, seven hundred twenty-seven thousand, two hundred thirty".
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