Base | Representation |
---|---|
bin | 10111011111110101… |
… | …010110011100010000 |
3 | 2102010022221222012002 |
4 | 113133311112130100 |
5 | 403132404004300 |
6 | 15331321253132 |
7 | 1552140442655 |
oct | 273765263420 |
9 | 72108858162 |
10 | 25230141200 |
11 | a777836570 |
12 | 4a816341a8 |
13 | 24c1114b44 |
14 | 1314b73c2c |
15 | 9c9ed25d5 |
hex | 5dfd56710 |
25230141200 has 120 divisors (see below), whose sum is σ = 67374187776. Its totient is φ = 9001408000.
The previous prime is 25230141197. The next prime is 25230141227. The reversal of 25230141200 is 214103252.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179105 + ... + 287295.
Almost surely, 225230141200 is an apocalyptic number.
25230141200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25230141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33687093888).
25230141200 is an abundant number, since it is smaller than the sum of its proper divisors (42144046576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25230141200 is a wasteful number, since it uses less digits than its factorization.
25230141200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108273 (or 108262 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 25230141200 its reverse (214103252), we get a palindrome (25444244452).
The spelling of 25230141200 in words is "twenty-five billion, two hundred thirty million, one hundred forty-one thousand, two hundred".
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