Base | Representation |
---|---|
bin | 1001011010000000… |
… | …1000100000110000 |
3 | 20111222020120220000 |
4 | 2112200020200300 |
5 | 20132400141442 |
6 | 1054315350000 |
7 | 116400124104 |
oct | 22640104060 |
9 | 6458216800 |
10 | 2525005872 |
11 | 1086333314 |
12 | 5a5752300 |
13 | 31317621c |
14 | 19d4bd904 |
15 | eba19d4c |
hex | 96808830 |
2525005872 has 300 divisors, whose sum is σ = 7965323520. Its totient is φ = 771192576.
The previous prime is 2525005871. The next prime is 2525005883. The reversal of 2525005872 is 2785005252.
2525005872 is a `hidden beast` number, since 25 + 2 + 50 + 0 + 587 + 2 = 666.
It is a super-3 number, since 3×25250058723 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2525005871) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19881873 + ... + 19881999.
Almost surely, 22525005872 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 2525005872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982661760).
2525005872 is an abundant number, since it is smaller than the sum of its proper divisors (5440317648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2525005872 is a wasteful number, since it uses less digits than its factorization.
2525005872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222 (or 184 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 36.
The square root of 2525005872 is about 50249.4365341543. The cubic root of 2525005872 is about 1361.7188963621.
The spelling of 2525005872 in words is "two billion, five hundred twenty-five million, five thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •