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25042305255 = 3511151771547
BaseRepresentation
bin10111010100101000…
…110100000011100111
32101122020111220201020
4113110220310003213
5402241312232010
615300531302223
71544400040212
oct272450640347
971566456636
1025042305255
11a690801650
124a2a74a973
132491229406
1412d7c3a779
159b877c470
hex5d4a340e7

25042305255 has 16 divisors (see below), whose sum is σ = 43710205824. Its totient is φ = 12141723680.

The previous prime is 25042305251. The next prime is 25042305271. The reversal of 25042305255 is 55250324052.

It is not a de Polignac number, because 25042305255 - 22 = 25042305251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042305251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75885609 + ... + 75885938.

It is an arithmetic number, because the mean of its divisors is an integer number (2731887864).

Almost surely, 225042305255 is an apocalyptic number.

25042305255 is a deficient number, since it is larger than the sum of its proper divisors (18667900569).

25042305255 is a wasteful number, since it uses less digits than its factorization.

25042305255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151771566.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 25042305255 in words is "twenty-five billion, forty-two million, three hundred five thousand, two hundred fifty-five".

Divisors: 1 3 5 11 15 33 55 165 151771547 455314641 758857735 1669487017 2276573205 5008461051 8347435085 25042305255