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25223033243 = 292663326609
BaseRepresentation
bin10111011111011010…
…001111000110011011
32102002211120211220102
4113133122033012123
5403124044030433
615330505050015
71552023150032
oct273732170633
972084524812
1025223033243
11a773821221
124a7b18690b
1324bc7c6755
141313c43719
159c957b4e8
hex5df68f19b

25223033243 has 8 divisors (see below), whose sum is σ = 26102671200. Its totient is φ = 24344053888.

The previous prime is 25223033221. The next prime is 25223033279. The reversal of 25223033243 is 34233032252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25223033243 - 214 = 25223016859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25223039243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86078 + ... + 240531.

It is an arithmetic number, because the mean of its divisors is an integer number (3262833900).

Almost surely, 225223033243 is an apocalyptic number.

25223033243 is a deficient number, since it is larger than the sum of its proper divisors (879637957).

25223033243 is a wasteful number, since it uses less digits than its factorization.

25223033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329301.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 25223033243 its reverse (34233032252), we get a palindrome (59456065495).

Subtracting 25223033243 from its reverse (34233032252), we obtain a palindrome (9009999009).

The spelling of 25223033243 in words is "twenty-five billion, two hundred twenty-three million, thirty-three thousand, two hundred forty-three".

Divisors: 1 29 2663 77227 326609 9471661 869759767 25223033243