Base | Representation |
---|---|
bin | 1001100101000100… |
… | …1110000111000000 |
3 | 20122012121002110202 |
4 | 2121101032013000 |
5 | 20231241201123 |
6 | 1103054344332 |
7 | 120502531322 |
oct | 23121160700 |
9 | 6565532422 |
10 | 2571428288 |
11 | 10aa560150 |
12 | 5b91bb0a8 |
13 | 31c97b100 |
14 | 1a5725612 |
15 | 100b39a28 |
hex | 9944e1c0 |
2571428288 has 84 divisors (see below), whose sum is σ = 6027971688. Its totient is φ = 1078871040.
The previous prime is 2571428281. The next prime is 2571428303. The reversal of 2571428288 is 8828241752.
It is a super-2 number, since 2×25714282882 = 13224486880653221888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2571428281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108170 + ... + 129782.
Almost surely, 22571428288 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 2571428288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013985844).
2571428288 is an abundant number, since it is smaller than the sum of its proper divisors (3456543400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2571428288 is a wasteful number, since it uses less digits than its factorization.
2571428288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21662 (or 21639 counting only the distinct ones).
The product of its digits is 573440, while the sum is 47.
The square root of 2571428288 is about 50709.2524890675. The cubic root of 2571428288 is about 1370.0133708536.
The spelling of 2571428288 in words is "two billion, five hundred seventy-one million, four hundred twenty-eight thousand, two hundred eighty-eight".
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