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25252505530 = 257550165579
BaseRepresentation
bin10111100001001010…
…101010011110111010
32102011220001012021121
4113201022222132322
5403204120134110
615333440455454
71552531520050
oct274112523672
972156035247
1025252505530
11a78942118a
124a8901a58a
1324c5945485
141317b161d0
159cbe4dcda
hex5e12aa7ba

25252505530 has 32 divisors (see below), whose sum is σ = 51958247040. Its totient is φ = 8656296000.

The previous prime is 25252505521. The next prime is 25252505549. The reversal of 25252505530 is 3550525252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352281 + ... + 417859.

It is an arithmetic number, because the mean of its divisors is an integer number (1623695220).

Almost surely, 225252505530 is an apocalyptic number.

25252505530 is an abundant number, since it is smaller than the sum of its proper divisors (26705741510).

25252505530 is a wasteful number, since it uses less digits than its factorization.

25252505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71094.

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 25252505530 in words is "twenty-five billion, two hundred fifty-two million, five hundred five thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 5501 11002 27505 38507 55010 65579 77014 131158 192535 327895 385070 459053 655790 918106 2295265 4590530 360750079 721500158 1803750395 2525250553 3607500790 5050501106 12626252765 25252505530