Base | Representation |
---|---|
bin | 10111010101010001… |
… | …011001010000011000 |
3 | 2101122222112101111000 |
4 | 113111101121100120 |
5 | 402302023142014 |
6 | 15301551305000 |
7 | 1544556335160 |
oct | 272521312030 |
9 | 71588471430 |
10 | 25052943384 |
11 | a696808197 |
12 | 4a3221b160 |
13 | 24934b2571 |
14 | 12d94095a0 |
15 | 9b967e509 |
hex | 5d5459418 |
25052943384 has 512 divisors, whose sum is σ = 90773913600. Its totient is φ = 6231582720.
The previous prime is 25052943323. The next prime is 25052943389. The reversal of 25052943384 is 48334925052.
25052943384 is a `hidden beast` number, since 2 + 5 + 0 + 529 + 43 + 3 + 84 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25052943389) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18326269 + ... + 18327635.
It is an arithmetic number, because the mean of its divisors is an integer number (177292800).
Almost surely, 225052943384 is an apocalyptic number.
25052943384 is a gapful number since it is divisible by the number (24) 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 25052943384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45386956800).
25052943384 is an abundant number, since it is smaller than the sum of its proper divisors (65720970216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25052943384 is a wasteful number, since it uses less digits than its factorization.
25052943384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1460 (or 1450 counting only the distinct ones).
The product of its (nonzero) digits is 1036800, while the sum is 45.
The spelling of 25052943384 in words is "twenty-five billion, fifty-two million, nine hundred forty-three thousand, three hundred eighty-four".
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