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25443123324 = 2232120260277
BaseRepresentation
bin10111101100100001…
…110100000001111100
32102200011201120201220
4113230201310001330
5404101414421244
615404410233340
71560334660053
oct275441640174
972604646656
1025443123324
11a876a86153
124b20a25850
132526296178
14133517539a
159dda53319
hex5ec87407c

25443123324 has 12 divisors (see below), whose sum is σ = 59367287784. Its totient is φ = 8481041104.

The previous prime is 25443123301. The next prime is 25443123359. The reversal of 25443123324 is 42332134452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060130127 + ... + 1060130150.

It is an arithmetic number, because the mean of its divisors is an integer number (4947273982).

Almost surely, 225443123324 is an apocalyptic number.

It is an amenable number.

25443123324 is an abundant number, since it is smaller than the sum of its proper divisors (33924164460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25443123324 is a wasteful number, since it uses less digits than its factorization.

25443123324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120260284 (or 2120260282 counting only the distinct ones).

The product of its digits is 69120, while the sum is 33.

Adding to 25443123324 its reverse (42332134452), we get a palindrome (67775257776).

The spelling of 25443123324 in words is "twenty-five billion, four hundred forty-three million, one hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 2120260277 4240520554 6360780831 8481041108 12721561662 25443123324