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25328077755 = 3513112889607
BaseRepresentation
bin10111100101101010…
…111100101110111011
32102101011020122212220
4113211222330232323
5403332441442010
615345140335123
71554440052201
oct274552745673
972334218786
1025328077755
11a818048772
124aaa3a44a3
1325084b5376
141323b89071
159d38ca970
hex5e5abcbbb

25328077755 has 16 divisors (see below), whose sum is σ = 40834278144. Its totient is φ = 13405190240.

The previous prime is 25328077561. The next prime is 25328077757. The reversal of 25328077755 is 55777082352.

It is not a de Polignac number, because 25328077755 - 28 = 25328077499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25328077698 and 25328077707.

It is not an unprimeable number, because it can be changed into a prime (25328077757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6442839 + ... + 6446768.

It is an arithmetic number, because the mean of its divisors is an integer number (2552142384).

Almost surely, 225328077755 is an apocalyptic number.

25328077755 is a deficient number, since it is larger than the sum of its proper divisors (15506200389).

25328077755 is a wasteful number, since it uses less digits than its factorization.

25328077755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889746.

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 25328077755 in words is "twenty-five billion, three hundred twenty-eight million, seventy-seven thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 131 393 655 1965 12889607 38668821 64448035 193344105 1688538517 5065615551 8442692585 25328077755